39997493120000 has 880 divisors, whose sum is σ = 112953023612352. Its totient is φ = 14041251840000.

The previous prime is 39997493119999. The next prime is 39997493120027. The reversal of 39997493120000 is 2139479993.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 37697919470 + ... + 37697920530.

Almost surely, 2^{39997493120000} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 39997493120000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56476511806176).

39997493120000 is an abundant number, since it is smaller than the sum of its proper divisors (72955530492352).

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

39997493120000 is a wasteful number, since it uses less digits than its factorization.

39997493120000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1334 (or 1301 counting only the distinct ones).

The product of its (nonzero) digits is 3306744, while the sum is 56.

The spelling of 39997493120000 in words is "thirty-nine trillion, nine hundred ninety-seven billion, four hundred ninety-three million, one hundred twenty thousand".