88400044 has 12 divisors (see below), whose sum is σ = 157991904. Its totient is φ = 43259504.

The previous prime is 88400029. The next prime is 88400047. The reversal of 88400044 is 44000488.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 88399985 and 88400021.

It is not an unprimeable number, because it can be changed into a prime (88400047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 234919 + ... + 235294.

It is an arithmetic number, because the mean of its divisors is an integer number (13165992).

Almost surely, 2^88400044 is an apocalyptic number.

It is an amenable number.

88400044 is a deficient number, since it is larger than the sum of its proper divisors (69591860).

88400044 is a wasteful number, since it uses less digits than its factorization.

88400044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 470264 (or 470262 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 28.

The square root of 88400044 is about 9402.1297587302. The cubic root of 88400044 is about 445.4690068431.

The spelling of 88400044 in words is "eighty-eight million, four hundred thousand, forty-four".