40511552490 has 32 divisors (see below), whose sum is σ = 108030807360. Its totient is φ = 10803080592.

The previous prime is 40511552489. The next prime is 40511552539. The reversal of 40511552490 is 9425511504.

40511552490 is a `hidden beast` number, since 4 + 0 + 5 + 11 + 552 + 4 + 90 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75021124 + ... + 75021663.

It is an arithmetic number, because the mean of its divisors is an integer number (3375962730).

Almost surely, 2^40511552490 is an apocalyptic number.

40511552490 is an abundant number, since it is smaller than the sum of its proper divisors (67519254870).

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

40511552490 is a wasteful number, since it uses less digits than its factorization.

40511552490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150042803 (or 150042797 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 36.

The spelling of 40511552490 in words is "forty billion, five hundred eleven million, five hundred fifty-two thousand, four hundred ninety".