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540122440 = 235111394427
BaseRepresentation
bin100000001100011…
…001110101001000
31101122100001200211
4200030121311020
52101232404230
6125332410504
716245651664
oct4014316510
91348301624
10540122440
11257980a90
12130a76a34
1387b925a0
1451a3b8a4
153264142a
hex20319d48

540122440 has 64 divisors (see below), whose sum is σ = 1427751360. Its totient is φ = 181297920.

The previous prime is 540122437. The next prime is 540122459. The reversal of 540122440 is 44221045.

It is a happy number.

540122440 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41494 + ... + 52933.

It is an arithmetic number, because the mean of its divisors is an integer number (22308615).

Almost surely, 2540122440 is an apocalyptic number.

It is an amenable number.

540122440 is an abundant number, since it is smaller than the sum of its proper divisors (887628920).

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

540122440 is a wasteful number, since it uses less digits than its factorization.

540122440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94462 (or 94458 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 540122440 is about 23240.5344172633. The cubic root of 540122440 is about 814.3868272334.

Adding to 540122440 its reverse (44221045), we get a palindrome (584343485).

The spelling of 540122440 in words is "five hundred forty million, one hundred twenty-two thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 11 13 20 22 26 40 44 52 55 65 88 104 110 130 143 220 260 286 440 520 572 715 1144 1430 2860 5720 94427 188854 377708 472135 755416 944270 1038697 1227551 1888540 2077394 2455102 3777080 4154788 4910204 5193485 6137755 8309576 9820408 10386970 12275510 13503061 20773940 24551020 27006122 41547880 49102040 54012244 67515305 108024488 135030610 270061220 540122440