88440044 has 48 divisors (see below), whose sum is σ = 194939136. Its totient is φ = 34104000.

The previous prime is 88440031. The next prime is 88440059. The reversal of 88440044 is 44004488.

It is a happy number.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.

It is a zygodrome in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29687 + ... + 32529.

It is an arithmetic number, because the mean of its divisors is an integer number (4061232).

Almost surely, 2^88440044 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 88440044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97469568).

88440044 is an abundant number, since it is smaller than the sum of its proper divisors (106499092).

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

88440044 is a wasteful number, since it uses less digits than its factorization.

88440044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2966 (or 2964 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 32.

The square root of 88440044 is about 9404.2566957735. The cubic root of 88440044 is about 445.5361865735.

Subtracting from 88440044 its reverse (44004488), we obtain a square (44435556 = 6666²).

The spelling of 88440044 in words is "eighty-eight million, four hundred forty thousand, forty-four".