88400040488 has 8 divisors (see below), whose sum is σ = 165750075930. Its totient is φ = 44200020240.

The previous prime is 88400040461. The next prime is 88400040527. The reversal of 88400040488 is 88404000488.

It can be written as a sum of positive squares in only one way, i.e., 44225248804 + 44174791684 = 210298^2 + 210178^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5525002523 + ... + 5525002538.

Almost surely, 2^88400040488 is an apocalyptic number.

It is an amenable number.

88400040488 is a deficient number, since it is larger than the sum of its proper divisors (77350035442).

88400040488 is a wasteful number, since it uses less digits than its factorization.

88400040488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11050005067 (or 11050005063 counting only the distinct ones).

The product of its (nonzero) digits is 262144, while the sum is 44.

The spelling of 88400040488 in words is "eighty-eight billion, four hundred million, forty thousand, four hundred eighty-eight".