1372991999040 has 112 divisors (see below), whose sum is σ = 4843610693760. Its totient is φ = 366131197440.

The previous prime is 1372991999017. The next prime is 1372991999051. The reversal of 1372991999040 is 409991992731.

1372991999040 is a `hidden beast` number, since 1 + 37 + 299 + 199 + 90 + 40 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79446916 + ... + 79464195.

Almost surely, 2^{1372991999040} is an apocalyptic number.

1372991999040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1372991999040 is an abundant number, since it is smaller than the sum of its proper divisors (3470618694720).

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

1372991999040 is a wasteful number, since it uses less digits than its factorization.

1372991999040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158911137 (or 158911121 counting only the distinct ones).

The product of its (nonzero) digits is 9920232, while the sum is 63.

The spelling of 1372991999040 in words is "one trillion, three hundred seventy-two billion, nine hundred ninety-one million, nine hundred ninety-nine thousand, forty".