1376816628 has 48 divisors (see below), whose sum is σ = 3510892224. Its totient is φ = 416471040.

The previous prime is 1376816611. The next prime is 1376816633. The reversal of 1376816628 is 8266186731.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67126 + ... + 85202.

It is an arithmetic number, because the mean of its divisors is an integer number (73143588).

Almost surely, 2^1376816628 is an apocalyptic number.

It is an amenable number.

1376816628 is an abundant number, since it is smaller than the sum of its proper divisors (2134075596).

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

1376816628 is a wasteful number, since it uses less digits than its factorization.

1376816628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18672 (or 18670 counting only the distinct ones).

The product of its digits is 580608, while the sum is 48.

The square root of 1376816628 is about 37105.4797570386. The cubic root of 1376816628 is about 1112.4795442605.

The spelling of 1376816628 in words is "one billion, three hundred seventy-six million, eight hundred sixteen thousand, six hundred twenty-eight".