39669956982 has 32 divisors (see below), whose sum is σ = 88849612800. Its totient is φ = 13119196104.

The previous prime is 39669956981. The next prime is 39669956993. The reversal of 39669956982 is 28965996693.

39669956982 is a `hidden beast` number, since 396 + 69 + 95 + 6 + 98 + 2 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 39669956982.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39669956981) 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, 2885382 + ... + 2899097.

It is an arithmetic number, because the mean of its divisors is an integer number (2776550400).

Almost surely, 2^39669956982 is an apocalyptic number.

39669956982 is an abundant number, since it is smaller than the sum of its proper divisors (49179655818).

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

39669956982 is a wasteful number, since it uses less digits than its factorization.

39669956982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5784617 (or 5784611 counting only the distinct ones).

The product of its digits is 340122240, while the sum is 72.

The spelling of 39669956982 in words is "thirty-nine billion, six hundred sixty-nine million, nine hundred fifty-six thousand, nine hundred eighty-two".