44413978 has 32 divisors (see below), whose sum is σ = 78173568. Its totient is φ = 18532800.

The previous prime is 44413951. The next prime is 44413987. The reversal of 44413978 is 87931444.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 44413978.

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, 111676 + ... + 112072.

It is an arithmetic number, because the mean of its divisors is an integer number (2442924).

Almost surely, 2^44413978 is an apocalyptic number.

44413978 is a deficient number, since it is larger than the sum of its proper divisors (33759590).

44413978 is a wasteful number, since it uses less digits than its factorization.

44413978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 598.

The product of its digits is 96768, while the sum is 40.

The square root of 44413978 is about 6664.3812916129. The cubic root of 44413978 is about 354.1385659888.

The spelling of 44413978 in words is "forty-four million, four hundred thirteen thousand, nine hundred seventy-eight".