88844440 has 16 divisors (see below), whose sum is σ = 199900080. Its totient is φ = 35537760.

The previous prime is 88844411. The next prime is 88844447. The reversal of 88844440 is 4444888.

It is a Harshad number since it is a multiple of its sum of digits (40), and also a Moran number because the ratio is a prime number: 2221111 = 88844440 / (8 + 8 + 8 + 4 + 4 + 4 + 4 + 0).

It is a nialpdrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 88844393 and 88844402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88844447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1110516 + ... + 1110595.

It is an arithmetic number, because the mean of its divisors is an integer number (12493755).

Almost surely, 2^88844440 is an apocalyptic number.

It is an amenable number.

88844440 is an abundant number, since it is smaller than the sum of its proper divisors (111055640).

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

88844440 is a wasteful number, since it uses less digits than its factorization.

88844440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2221122 (or 2221118 counting only the distinct ones).

The product of its (nonzero) digits is 131072, while the sum is 40.

The square root of 88844440 is about 9425.7328627540. The cubic root of 88844440 is about 446.2142321082.

The spelling of 88844440 in words is "eighty-eight million, eight hundred forty-four thousand, four hundred forty".