1376972844 has 48 divisors (see below), whose sum is σ = 3503915520. Its totient is φ = 418317120.

The previous prime is 1376972843. The next prime is 1376972873. The reversal of 1376972844 is 4482796731.

It is a super-2 number, since 2×1376972844² = 3792108426226896672, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1376972843) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43542 + ... + 68189.

It is an arithmetic number, because the mean of its divisors is an integer number (72998240).

Almost surely, 2^1376972844 is an apocalyptic number.

It is an amenable number.

1376972844 is an abundant number, since it is smaller than the sum of its proper divisors (2126942676).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1376972844 is a wasteful number, since it uses less digits than its factorization.

1376972844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111830 (or 111828 counting only the distinct ones).

The product of its digits is 2032128, while the sum is 51.

The square root of 1376972844 is about 37107.5847233419. The cubic root of 1376972844 is about 1112.5216172881.

The spelling of 1376972844 in words is "one billion, three hundred seventy-six million, nine hundred seventy-two thousand, eight hundred forty-four".