44491860 has 72 divisors (see below), whose sum is σ = 154242816. Its totient is φ = 10169280.

The previous prime is 44491807. The next prime is 44491883. The reversal of 44491860 is 6819444.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16396 + ... + 18915.

Almost surely, 2^44491860 is an apocalyptic number.

It is an amenable number.

44491860 is an abundant number, since it is smaller than the sum of its proper divisors (109750956).

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

44491860 is a wasteful number, since it uses less digits than its factorization.

44491860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35333 (or 35328 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 44491860 is about 6670.2218853648. The cubic root of 44491860 is about 354.3454446577.

The spelling of 44491860 in words is "forty-four million, four hundred ninety-one thousand, eight hundred sixty".