44720544 has 48 divisors (see below), whose sum is σ = 128066400. Its totient is φ = 13551360.

The previous prime is 44720537. The next prime is 44720551. The reversal of 44720544 is 44502744.

It is an interprime number because it is at equal distance from previous prime (44720537) and next prime (44720551).

It is a tau number, because it is divible by the number of its divisors (48).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20119 + ... + 22230.

It is an arithmetic number, because the mean of its divisors is an integer number (2668050).

Almost surely, 2^44720544 is an apocalyptic number.

44720544 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

44720544 is an abundant number, since it is smaller than the sum of its proper divisors (83345856).

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

44720544 is a wasteful number, since it uses less digits than its factorization.

44720544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42373 (or 42365 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 30.

The square root of 44720544 is about 6687.3420729016. The cubic root of 44720544 is about 354.9515082876.

The spelling of 44720544 in words is "forty-four million, seven hundred twenty thousand, five hundred forty-four".