44977918 has 8 divisors (see below), whose sum is σ = 67541400. Its totient is φ = 22464120.

The previous prime is 44977913. The next prime is 44977963. The reversal of 44977918 is 81977944.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×44977918² = 4046026215229448, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44977913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10068 + ... + 13831.

It is an arithmetic number, because the mean of its divisors is an integer number (8442675).

Almost surely, 2^44977918 is an apocalyptic number.

44977918 is a deficient number, since it is larger than the sum of its proper divisors (22563482).

44977918 is a wasteful number, since it uses less digits than its factorization.

44977918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24842.

The product of its digits is 508032, while the sum is 49.

The square root of 44977918 is about 6706.5578354324. The cubic root of 44977918 is about 355.6311406943.

The spelling of 44977918 in words is "forty-four million, nine hundred seventy-seven thousand, nine hundred eighteen".