40904554120 has 32 divisors (see below), whose sum is σ = 93771765720. Its totient is φ = 16053107200.

The previous prime is 40904554109. The next prime is 40904554127. The reversal of 40904554120 is 2145540904.

It can be written as a sum of positive squares in 4 ways, for example, as 29042294724 + 11862259396 = 170418^2 + 108914^2 .

It is not an unprimeable number, because it can be changed into a prime (40904554127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9645181 + ... + 9649420.

Almost surely, 2^40904554120 is an apocalyptic number.

40904554120 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40904554120 is an abundant number, since it is smaller than the sum of its proper divisors (52867211600).

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

40904554120 is a wasteful number, since it uses less digits than its factorization.

40904554120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19294665 (or 19294661 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 34.

The spelling of 40904554120 in words is "forty billion, nine hundred four million, five hundred fifty-four thousand, one hundred twenty".