44487900 has 72 divisors (see below), whose sum is σ = 143029040. Its totient is φ = 11862720.

The previous prime is 44487899. The next prime is 44487901. The reversal of 44487900 is 978444.

It is an interprime number because it is at equal distance from previous prime (44487899) and next prime (44487901).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44487901) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5539 + ... + 10938.

Almost surely, 2^44487900 is an apocalyptic number.

It is an amenable number.

44487900 is an abundant number, since it is smaller than the sum of its proper divisors (98541140).

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

44487900 is a wasteful number, since it uses less digits than its factorization.

44487900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16500 (or 16487 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 44487900 is about 6669.9250370600. The cubic root of 44487900 is about 354.3349315017.

The spelling of 44487900 in words is "forty-four million, four hundred eighty-seven thousand, nine hundred".