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540401070042 = 23331370987037
BaseRepresentation
bin1111101110100100110…
…10011110111111011010
31220122212110221201102000
413313102122132333122
532323220133220132
61052131250221430
754020433206511
oct7672232367732
91818773851360
10540401070042
11199201352389
1288897284876
133bc62327992
141c226b93678
15e0cc94087c
hex7dd269efda

540401070042 has 64 divisors (see below), whose sum is σ = 1239978163200. Its totient is φ = 174273923520.

The previous prime is 540401069993. The next prime is 540401070101. The reversal of 540401070042 is 240070104045.

540401070042 is a `hidden beast` number, since 540 + 4 + 0 + 10 + 70 + 0 + 42 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 540401069988 and 540401070015.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6165348 + ... + 6252384.

It is an arithmetic number, because the mean of its divisors is an integer number (19374658800).

Almost surely, 2540401070042 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 540401070042, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (619989081600).

540401070042 is an abundant number, since it is smaller than the sum of its proper divisors (699577093158).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

540401070042 is a wasteful number, since it uses less digits than its factorization.

540401070042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90788 (or 90782 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 27.

Adding to 540401070042 its reverse (240070104045), we get a palindrome (780471174087).

The spelling of 540401070042 in words is "five hundred forty billion, four hundred one million, seventy thousand, forty-two".

Divisors: 1 2 3 6 9 18 27 31 54 62 93 186 279 558 837 1674 3709 7418 11127 22254 33381 66762 87037 100143 114979 174074 200286 229958 261111 344937 522222 689874 783333 1034811 1566666 2069622 2349999 2698147 3104433 4699998 5396294 6208866 8094441 16188882 24283323 48566646 72849969 145699938 322820233 645640466 968460699 1936921398 2905382097 5810764194 8716146291 10007427223 17432292582 20014854446 30022281669 60044563338 90066845007 180133690014 270200535021 540401070042