1378090976928 has 24 divisors (see below), whose sum is σ = 3617488814688. Its totient is φ = 459363658944.

The previous prime is 1378090976909. The next prime is 1378090976957. The reversal of 1378090976928 is 8296790908731.

It is a tau number, because it is divible by the number of its divisors (24).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7177557076 + ... + 7177557267.

It is an arithmetic number, because the mean of its divisors is an integer number (150728700612).

Almost surely, 2^{1378090976928} is an apocalyptic number.

It is an amenable number.

1378090976928 is an abundant number, since it is smaller than the sum of its proper divisors (2239397837760).

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

1378090976928 is a wasteful number, since it uses less digits than its factorization.

1378090976928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14355114356 (or 14355114348 counting only the distinct ones).

The product of its (nonzero) digits is 82301184, while the sum is 69.

The spelling of 1378090976928 in words is "one trillion, three hundred seventy-eight billion, ninety million, nine hundred seventy-six thousand, nine hundred twenty-eight".