44457571916 has 24 divisors (see below), whose sum is σ = 78236121600. Its totient is φ = 22104522000.

The previous prime is 44457571897. The next prime is 44457571927. The reversal of 44457571916 is 61917575444.

It is a super-2 number, since 2×44457571916² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1474391 + ... + 1504241.

It is an arithmetic number, because the mean of its divisors is an integer number (3259838400).

Almost surely, 2^44457571916 is an apocalyptic number.

It is an amenable number.

44457571916 is a deficient number, since it is larger than the sum of its proper divisors (33778549684).

44457571916 is a wasteful number, since it uses less digits than its factorization.

44457571916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31925 (or 31923 counting only the distinct ones).

The product of its digits is 4233600, while the sum is 53.

The spelling of 44457571916 in words is "forty-four billion, four hundred fifty-seven million, five hundred seventy-one thousand, nine hundred sixteen".