1378392414816 has 96 divisors (see below), whose sum is σ = 3787661122560. Its totient is φ = 438083103744.

The previous prime is 1378392414811. The next prime is 1378392414823. The reversal of 1378392414816 is 6184142938731.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1378392414811) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 306136 + ... + 1688343.

It is an arithmetic number, because the mean of its divisors is an integer number (39454803360).

Almost surely, 2^{1378392414816} is an apocalyptic number.

1378392414816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1378392414816 is an abundant number, since it is smaller than the sum of its proper divisors (2409268707744).

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

1378392414816 is a wasteful number, since it uses less digits than its factorization.

1378392414816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1994828 (or 1994820 counting only the distinct ones).

The product of its digits is 6967296, while the sum is 57.

The spelling of 1378392414816 in words is "one trillion, three hundred seventy-eight billion, three hundred ninety-two million, four hundred fourteen thousand, eight hundred sixteen".