44487000 has 96 divisors (see below), whose sum is σ = 150396480. Its totient is φ = 11860800.

The previous prime is 44486947. The next prime is 44487017. The reversal of 44487000 is 78444.

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, 6529 + ... + 11471.

It is an arithmetic number, because the mean of its divisors is an integer number (1566630).

Almost surely, 2^44487000 is an apocalyptic number.

44487000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 44487000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75198240).

44487000 is an abundant number, since it is smaller than the sum of its proper divisors (105909480).

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

44487000 is a wasteful number, since it uses less digits than its factorization.

44487000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4970 (or 4953 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 27.

The square root of 44487000 is about 6669.8575696937. The cubic root of 44487000 is about 354.3325420611.

The spelling of 44487000 in words is "forty-four million, four hundred eighty-seven thousand".