40525259418 has 64 divisors (see below), whose sum is σ = 103304160000. Its totient is φ = 11535573312.

The previous prime is 40525259417. The next prime is 40525259477. The reversal of 40525259418 is 81495252504.

40525259418 is a `hidden beast` number, since 4 + 0 + 5 + 2 + 52 + 594 + 1 + 8 = 666.

It is not an unprimeable number, because it can be changed into a prime (40525259417) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 97593 + ... + 300956.

It is an arithmetic number, because the mean of its divisors is an integer number (1614127500).

Almost surely, 2^40525259418 is an apocalyptic number.

40525259418 is an abundant number, since it is smaller than the sum of its proper divisors (62778900582).

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

40525259418 is a wasteful number, since it uses less digits than its factorization.

40525259418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398836 (or 398830 counting only the distinct ones).

The product of its (nonzero) digits is 576000, while the sum is 45.

The spelling of 40525259418 in words is "forty billion, five hundred twenty-five million, two hundred fifty-nine thousand, four hundred eighteen".