32406294789972 has 36 divisors (see below), whose sum is σ = 82011496402836. Its totient is φ = 10789493704320.

The previous prime is 32406294789919. The next prime is 32406294789991. The reversal of 32406294789972 is 27998749260423.

32406294789972 is a `hidden beast` number, since 3 + 2 + 4 + 0 + 62 + 9 + 478 + 9 + 97 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 30082877465796 + 2323417324176 = 5484786^2 + 1524276^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a self number, because there is not a number n which added to its sum of digits gives 32406294789972.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 525158679 + ... + 525220382.

It is an arithmetic number, because the mean of its divisors is an integer number (2278097122301).

Almost surely, 2^{32406294789972} is an apocalyptic number.

It is an amenable number.

32406294789972 is an abundant number, since it is smaller than the sum of its proper divisors (49605201612864).

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

32406294789972 is a wasteful number, since it uses less digits than its factorization.

32406294789972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1050379928 (or 1050379923 counting only the distinct ones).

The product of its (nonzero) digits is 658409472, while the sum is 72.

The spelling of 32406294789972 in words is "thirty-two trillion, four hundred six billion, two hundred ninety-four million, seven hundred eighty-nine thousand, nine hundred seventy-two".