1377412320 has 96 divisors (see below), whose sum is σ = 4456172448. Its totient is φ = 357378048.

The previous prime is 1377412303. The next prime is 1377412363. The reversal of 1377412320 is 232147731.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21019 + ... + 56538.

It is an arithmetic number, because the mean of its divisors is an integer number (46418463).

Almost surely, 2^1377412320 is an apocalyptic number.

1377412320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1377412320 is an abundant number, since it is smaller than the sum of its proper divisors (3078760128).

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

1377412320 is a wasteful number, since it uses less digits than its factorization.

1377412320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77612 (or 77604 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 30.

The square root of 1377412320 is about 37113.5058974492. The cubic root of 1377412320 is about 1112.6399625279.

The spelling of 1377412320 in words is "one billion, three hundred seventy-seven million, four hundred twelve thousand, three hundred twenty".