88729558040 has 32 divisors (see below), whose sum is σ = 200469915360. Its totient is φ = 35344550400.

The previous prime is 88729558037. The next prime is 88729558081. The reversal of 88729558040 is 4085592788.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4592516 + ... + 4611795.

It is an arithmetic number, because the mean of its divisors is an integer number (6264684855).

Almost surely, 2^88729558040 is an apocalyptic number.

It is an amenable number.

88729558040 is an abundant number, since it is smaller than the sum of its proper divisors (111740357320).

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

88729558040 is a wasteful number, since it uses less digits than its factorization.

88729558040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9204563 (or 9204559 counting only the distinct ones).

The product of its (nonzero) digits is 6451200, while the sum is 56.

The spelling of 88729558040 in words is "eighty-eight billion, seven hundred twenty-nine million, five hundred fifty-eight thousand, forty".