44715978 has 24 divisors (see below), whose sum is σ = 97597188. Its totient is φ = 14795712.

The previous prime is 44715973. The next prime is 44716019. The reversal of 44715978 is 87951744.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 44715969 + 9 = 6687^2 + 3^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (44715971) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6601 + ... + 11532.

Almost surely, 2^44715978 is an apocalyptic number.

44715978 is an abundant number, since it is smaller than the sum of its proper divisors (52881210).

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

44715978 is a wasteful number, since it uses less digits than its factorization.

44715978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18278 (or 18275 counting only the distinct ones).

The product of its digits is 282240, while the sum is 45.

The square root of 44715978 is about 6687.0006729475. Note that the first 3 decimals coincide. The cubic root of 44715978 is about 354.9394276075.

The spelling of 44715978 in words is "forty-four million, seven hundred fifteen thousand, nine hundred seventy-eight".