44805978 has 48 divisors (see below), whose sum is σ = 115779456. Its totient is φ = 12244320.

The previous prime is 44805977. The next prime is 44805979. The reversal of 44805978 is 87950844.

It is an interprime number because it is at equal distance from previous prime (44805977) and next prime (44805979).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44805977) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4833 + ... + 10628.

It is an arithmetic number, because the mean of its divisors is an integer number (2412072).

Almost surely, 2^44805978 is an apocalyptic number.

44805978 is an abundant number, since it is smaller than the sum of its proper divisors (70973478).

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

44805978 is a wasteful number, since it uses less digits than its factorization.

44805978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15499 (or 15496 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 45.

The square root of 44805978 is about 6693.7267646656. The cubic root of 44805978 is about 355.1773972865.

The spelling of 44805978 in words is "forty-four million, eight hundred five thousand, nine hundred seventy-eight".