391496451332 has 48 divisors (see below), whose sum is σ = 796104462720. Its totient is φ = 164976480000.

The previous prime is 391496451331. The next prime is 391496451337. The reversal of 391496451332 is 233154694193.

It is not an unprimeable number, because it can be changed into a prime (391496451331) 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, 5087519 + ... + 5163897.

It is an arithmetic number, because the mean of its divisors is an integer number (16585509640).

Almost surely, 2^391496451332 is an apocalyptic number.

It is an amenable number.

391496451332 is an abundant number, since it is smaller than the sum of its proper divisors (404608011388).

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

391496451332 is a wasteful number, since it uses less digits than its factorization.

391496451332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79452 (or 79450 counting only the distinct ones).

The product of its digits is 2099520, while the sum is 50.

The spelling of 391496451332 in words is "three hundred ninety-one billion, four hundred ninety-six million, four hundred fifty-one thousand, three hundred thirty-two".