44625420 has 144 divisors (see below), whose sum is σ = 156619008. Its totient is φ = 10074240.

The previous prime is 44625409. The next prime is 44625437. The reversal of 44625420 is 2452644.

It is a super-2 number, since 2×44625420² = 3982856220352800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 134655 + ... + 134985.

It is an arithmetic number, because the mean of its divisors is an integer number (1087632).

Almost surely, 2^44625420 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 44625420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78309504).

44625420 is an abundant number, since it is smaller than the sum of its proper divisors (111993588).

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

44625420 is a wasteful number, since it uses less digits than its factorization.

44625420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 460 (or 455 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

The square root of 44625420 is about 6680.2260440796. The cubic root of 44625420 is about 354.6996600138.

The spelling of 44625420 in words is "forty-four million, six hundred twenty-five thousand, four hundred twenty".