88744140 has 48 divisors (see below), whose sum is σ = 276094560. Its totient is φ = 23664960.

The previous prime is 88744127. The next prime is 88744169. The reversal of 88744140 is 4144788.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 88744095 and 88744104.

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, 81631 + ... + 82710.

It is an arithmetic number, because the mean of its divisors is an integer number (5751970).

Almost surely, 2^88744140 is an apocalyptic number.

It is an amenable number.

88744140 is an abundant number, since it is smaller than the sum of its proper divisors (187350420).

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

88744140 is a wasteful number, since it uses less digits than its factorization.

88744140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164359 (or 164351 counting only the distinct ones).

The product of its (nonzero) digits is 28672, while the sum is 36.

The square root of 88744140 is about 9420.4108190673. The cubic root of 88744140 is about 446.0462525849.

The spelling of 88744140 in words is "eighty-eight million, seven hundred forty-four thousand, one hundred forty".