44380428 has 48 divisors (see below), whose sum is σ = 110826240. Its totient is φ = 13780800.

The previous prime is 44380381. The next prime is 44380433. The reversal of 44380428 is 82408344.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12313 + ... + 15503.

It is an arithmetic number, because the mean of its divisors is an integer number (2308880).

Almost surely, 2^44380428 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 44380428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55413120).

44380428 is an abundant number, since it is smaller than the sum of its proper divisors (66445812).

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

44380428 is a wasteful number, since it uses less digits than its factorization.

44380428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3278 (or 3276 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 33.

The square root of 44380428 is about 6661.8637031990. The cubic root of 44380428 is about 354.0493722832.

The spelling of 44380428 in words is "forty-four million, three hundred eighty thousand, four hundred twenty-eight".