88004040 has 128 divisors (see below), whose sum is σ = 279659520. Its totient is φ = 22118400.

The previous prime is 88004039. The next prime is 88004047. The reversal of 88004040 is 4040088.

It is a super-2 number, since 2×88004040² = 15489422112643200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 88004040.

It is not an unprimeable number, because it can be changed into a prime (88004047) 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, 152232 + ... + 152808.

It is an arithmetic number, because the mean of its divisors is an integer number (2184840).

Almost surely, 2^88004040 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 88004040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (139829760).

88004040 is an abundant number, since it is smaller than the sum of its proper divisors (191655480).

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

88004040 is a wasteful number, since it uses less digits than its factorization.

88004040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 663 (or 659 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 24.

The square root of 88004040 is about 9381.0468498990. The cubic root of 88004040 is about 444.8028247366.

The spelling of 88004040 in words is "eighty-eight million, four thousand, forty".