1378933990880 has 48 divisors (see below), whose sum is σ = 3345778366560. Its totient is φ = 536666199552.

The previous prime is 1378933990877. The next prime is 1378933990943. The reversal of 1378933990880 is 880993398731.

It is a self number, because there is not a number n which added to its sum of digits gives 1378933990880.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116458100 + ... + 116469939.

It is an arithmetic number, because the mean of its divisors is an integer number (69703715970).

Almost surely, 2^{1378933990880} is an apocalyptic number.

1378933990880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1378933990880 is an abundant number, since it is smaller than the sum of its proper divisors (1966844375680).

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

1378933990880 is a wasteful number, since it uses less digits than its factorization.

1378933990880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232928091 (or 232928083 counting only the distinct ones).

The product of its (nonzero) digits is 70543872, while the sum is 68.

The spelling of 1378933990880 in words is "one trillion, three hundred seventy-eight billion, nine hundred thirty-three million, nine hundred ninety thousand, eight hundred eighty".