1380828979320 has 64 divisors (see below), whose sum is σ = 4734270789120. Its totient is φ = 315618052224.

The previous prime is 1380828979319. The next prime is 1380828979337. The reversal of 1380828979320 is 239798280831.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 821921172 + ... + 821922851.

It is an arithmetic number, because the mean of its divisors is an integer number (73972981080).

Almost surely, 2^{1380828979320} is an apocalyptic number.

1380828979320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1380828979320 is an abundant number, since it is smaller than the sum of its proper divisors (3353441809800).

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

1380828979320 is a wasteful number, since it uses less digits than its factorization.

1380828979320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1643844044 (or 1643844040 counting only the distinct ones).

The product of its (nonzero) digits is 10450944, while the sum is 60.

The spelling of 1380828979320 in words is "one trillion, three hundred eighty billion, eight hundred twenty-eight million, nine hundred seventy-nine thousand, three hundred twenty".