44440920 has 64 divisors (see below), whose sum is σ = 148140000. Its totient is φ = 11850624.

The previous prime is 44440883. The next prime is 44440927. The reversal of 44440920 is 2904444.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44440927) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19495 + ... + 21654.

Almost surely, 2^44440920 is an apocalyptic number.

44440920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

44440920 is an abundant number, since it is smaller than the sum of its proper divisors (103699080).

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

44440920 is a wasteful number, since it uses less digits than its factorization.

44440920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41169 (or 41159 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 44440920 is about 6666.4023280927. The cubic root of 44440920 is about 354.2101596106.

The spelling of 44440920 in words is "forty-four million, four hundred forty thousand, nine hundred twenty".