39947196160 has 72 divisors (see below), whose sum is σ = 96839119440. Its totient is φ = 15786319872.

The previous prime is 39947196151. The next prime is 39947196227. The reversal of 39947196160 is 6169174993.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81765 + ... + 294244.

It is an arithmetic number, because the mean of its divisors is an integer number (1344987770).

Almost surely, 2^39947196160 is an apocalyptic number.

It is an amenable number.

39947196160 is an abundant number, since it is smaller than the sum of its proper divisors (56891923280).

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

39947196160 is an equidigital number, since it uses as much as digits as its factorization.

39947196160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376113 (or 376099 counting only the distinct ones).

The product of its (nonzero) digits is 2204496, while the sum is 55.

The spelling of 39947196160 in words is "thirty-nine billion, nine hundred forty-seven million, one hundred ninety-six thousand, one hundred sixty".