88440813412 has 12 divisors (see below), whose sum is σ = 176881626880. Its totient is φ = 37903205736.

The previous prime is 88440813397. The next prime is 88440813449. The reversal of 88440813412 is 21431804488.

88440813412 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1579300212 + ... + 1579300267.

Almost surely, 2^88440813412 is an apocalyptic number.

It is an amenable number.

88440813412 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

88440813412 is a wasteful number, since it uses less digits than its factorization.

88440813412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3158600490 (or 3158600488 counting only the distinct ones).

The product of its (nonzero) digits is 196608, while the sum is 43.

The spelling of 88440813412 in words is "eighty-eight billion, four hundred forty million, eight hundred thirteen thousand, four hundred twelve".