44668978 has 4 divisors (see below), whose sum is σ = 67003470. Its totient is φ = 22334488.

The previous prime is 44668957. The next prime is 44668991. The reversal of 44668978 is 87986644.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 28804689 + 15864289 = 5367^2 + 3983^2 .

It is a super-3 number, since 3×44668978³ (a number of 24 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11167243 + ... + 11167246.

Almost surely, 2^44668978 is an apocalyptic number.

44668978 is a deficient number, since it is larger than the sum of its proper divisors (22334492).

44668978 is a wasteful number, since it uses less digits than its factorization.

44668978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22334491.

The product of its digits is 2322432, while the sum is 52.

The square root of 44668978 is about 6683.4854679276. The cubic root of 44668978 is about 354.8150276204.

The spelling of 44668978 in words is "forty-four million, six hundred sixty-eight thousand, nine hundred seventy-eight".