88010640 has 120 divisors (see below), whose sum is σ = 297355968. Its totient is φ = 23328000.

The previous prime is 88010623. The next prime is 88010669. The reversal of 88010640 is 4601088.

88010640 is a `hidden beast` number, since 8 + 8 + 0 + 10 + 640 = 666.

It is a tau number, because it is divible by the number of its divisors (120).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 180477 + ... + 180963.

Almost surely, 2^88010640 is an apocalyptic number.

88010640 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 88010640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (148677984).

88010640 is an abundant number, since it is smaller than the sum of its proper divisors (209345328).

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

88010640 is a wasteful number, since it uses less digits than its factorization.

88010640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 757 (or 748 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The square root of 88010640 is about 9381.3986164111. The cubic root of 88010640 is about 444.8139440188.

The spelling of 88010640 in words is "eighty-eight million, ten thousand, six hundred forty".