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40545930240 = 2103851771
BaseRepresentation
bin100101110000101110…
…011100110000000000
310212122201022200000000
4211300232130300000
51131014224231430
630343200000000
72633523502104
oct456056346000
9125581280000
1040545930240
1116217136562
127a36900000
133a921c94ca
141d68cbb904
1510c48c3e60
hex970b9cc00

40545930240 has 792 divisors, whose sum is σ = 156643841952. Its totient is φ = 10032906240.

The previous prime is 40545930233. The next prime is 40545930301. The reversal of 40545930240 is 4203954504.

It is a happy number.

40545930240 is a `hidden beast` number, since 4 + 0 + 545 + 93 + 0 + 24 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 40545930195 and 40545930204.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 571069405 + ... + 571069475.

Almost surely, 240545930240 is an apocalyptic number.

40545930240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40545930240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78321920976).

40545930240 is an abundant number, since it is smaller than the sum of its proper divisors (116097911712).

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

40545930240 is an frugal number, since it uses more digits than its factorization.

40545930240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137 (or 98 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

The spelling of 40545930240 in words is "forty billion, five hundred forty-five million, nine hundred thirty thousand, two hundred forty".