391956132096 has 81 divisors (see below), whose sum is σ = 1130192808199. Its totient is φ = 130642027008.

The previous prime is 391956132091. The next prime is 391956132151. The reversal of 391956132096 is 690231659193.

The square root of 391956132096 is 626064.

It is a perfect power (a square), and thus also a powerful number.

391956132096 is a `hidden beast` number, since 3 + 9 + 19 + 5 + 613 + 2 + 0 + 9 + 6 = 666.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (391956132091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 30044551 + ... + 30057593.

Almost surely, 2^391956132096 is an apocalyptic number.

391956132096 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

391956132096 is the 626064-th square number.

It is an amenable number.

391956132096 is an abundant number, since it is smaller than the sum of its proper divisors (738236676103).

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

391956132096 is an frugal number, since it uses more digits than its factorization.

391956132096 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26108 (or 13048 counting only the distinct ones).

The product of its (nonzero) digits is 2361960, while the sum is 54.

The spelling of 391956132096 in words is "three hundred ninety-one billion, nine hundred fifty-six million, one hundred thirty-two thousand, ninety-six".