44457408 has 84 divisors (see below), whose sum is σ = 129174240. Its totient is φ = 14616576.

The previous prime is 44457383. The next prime is 44457421. The reversal of 44457408 is 80475444.

It is a super-2 number, since 2×44457408² = 3952922252156928, which contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45016 + ... + 45992.

Almost surely, 2^44457408 is an apocalyptic number.

44457408 is a gapful number since it is divisible by the number (48) 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 44457408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64587120).

44457408 is an abundant number, since it is smaller than the sum of its proper divisors (84716832).

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

44457408 is a wasteful number, since it uses less digits than its factorization.

44457408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1074 (or 1061 counting only the distinct ones).

The product of its (nonzero) digits is 71680, while the sum is 36.

The square root of 44457408 is about 6667.6388624460. The cubic root of 44457408 is about 354.2539592965.

The spelling of 44457408 in words is "forty-four million, four hundred fifty-seven thousand, four hundred eight".