44257420 has 12 divisors (see below), whose sum is σ = 92940624. Its totient is φ = 17702960.

The previous prime is 44257417. The next prime is 44257457. The reversal of 44257420 is 2475244.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1106416 + ... + 1106455.

It is an arithmetic number, because the mean of its divisors is an integer number (7745052).

Almost surely, 2^44257420 is an apocalyptic number.

It is an amenable number.

44257420 is an abundant number, since it is smaller than the sum of its proper divisors (48683204).

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

44257420 is a wasteful number, since it uses less digits than its factorization.

44257420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2212880 (or 2212878 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 28.

The square root of 44257420 is about 6652.6250457996. The cubic root of 44257420 is about 353.7219666715.

The spelling of 44257420 in words is "forty-four million, two hundred fifty-seven thousand, four hundred twenty".