44897040 has 120 divisors (see below), whose sum is σ = 152275968. Its totient is φ = 11854080.

The previous prime is 44896997. The next prime is 44897059. The reversal of 44897040 is 4079844.

It is a tau number, because it is divible by the number of its divisors (120).

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

It is a junction number, because it is equal to n+sod(n) for n = 44896986 and 44897004.

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, 91195 + ... + 91685.

Almost surely, 2^44897040 is an apocalyptic number.

44897040 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 44897040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76137984).

44897040 is an abundant number, since it is smaller than the sum of its proper divisors (107378928).

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

44897040 is a wasteful number, since it uses less digits than its factorization.

44897040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 637 (or 628 counting only the distinct ones).

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

The square root of 44897040 is about 6700.5253525377. The cubic root of 44897040 is about 355.4178508992.

The spelling of 44897040 in words is "forty-four million, eight hundred ninety-seven thousand, forty".