1374396939840 has 112 divisors (see below), whose sum is σ = 4364537636160. Its totient is φ = 366436362240.

The previous prime is 1374396939827. The next prime is 1374396939857. The reversal of 1374396939840 is 489396934731.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5032731 + ... + 5298789.

Almost surely, 2^{1374396939840} is an apocalyptic number.

1374396939840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1374396939840 is an abundant number, since it is smaller than the sum of its proper divisors (2990140696320).

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

1374396939840 is a wasteful number, since it uses less digits than its factorization.

1374396939840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271460 (or 271450 counting only the distinct ones).

The product of its (nonzero) digits is 105815808, while the sum is 66.

The spelling of 1374396939840 in words is "one trillion, three hundred seventy-four billion, three hundred ninety-six million, nine hundred thirty-nine thousand, eight hundred forty".