1377159944 has 16 divisors (see below), whose sum is σ = 2582571600. Its totient is φ = 688474192.

The previous prime is 1377159929. The next prime is 1377159977. The reversal of 1377159944 is 4499517731.

It is a super-2 number, since 2×1377159944² = 3793139022716166272, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1377159892 and 1377159901.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85199 + ... + 100065.

It is an arithmetic number, because the mean of its divisors is an integer number (161410725).

Almost surely, 2^1377159944 is an apocalyptic number.

It is an amenable number.

1377159944 is a deficient number, since it is larger than the sum of its proper divisors (1205411656).

1377159944 is a wasteful number, since it uses less digits than its factorization.

1377159944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26452 (or 26448 counting only the distinct ones).

The product of its digits is 952560, while the sum is 50.

The square root of 1377159944 is about 37110.1056856485. The cubic root of 1377159944 is about 1112.5720039917.

The spelling of 1377159944 in words is "one billion, three hundred seventy-seven million, one hundred fifty-nine thousand, nine hundred forty-four".