32409996537492 has 72 divisors (see below), whose sum is σ = 93642691356032. Its totient is φ = 9258632942400.

The previous prime is 32409996537491. The next prime is 32409996537521. The reversal of 32409996537492 is 29473569990423.

32409996537492 is a `hidden beast` number, since 3 + 2 + 40 + 9 + 9 + 9 + 6 + 537 + 49 + 2 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 32409996537492.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32409996537491) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7774384 + ... + 11192007.

Almost surely, 2^{32409996537492} is an apocalyptic number.

It is an amenable number.

32409996537492 is an abundant number, since it is smaller than the sum of its proper divisors (61232694818540).

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

32409996537492 is a wasteful number, since it uses less digits than its factorization.

32409996537492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18973189 (or 18973184 counting only the distinct ones).

The product of its (nonzero) digits is 793618560, while the sum is 72.

The spelling of 32409996537492 in words is "thirty-two trillion, four hundred nine billion, nine hundred ninety-six million, five hundred thirty-seven thousand, four hundred ninety-two".