325643587842 has 32 divisors (see below), whose sum is σ = 667652020992. Its totient is φ = 105829620624.

The previous prime is 325643587837. The next prime is 325643587883. The reversal of 325643587842 is 248785346523.

It is a super-2 number, since 2×325643587842² (a number of 24 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1012608 + ... + 1294859.

It is an arithmetic number, because the mean of its divisors is an integer number (20864125656).

Almost surely, 2^325643587842 is an apocalyptic number.

325643587842 is an abundant number, since it is smaller than the sum of its proper divisors (342008433150).

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

325643587842 is a wasteful number, since it uses less digits than its factorization.

325643587842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2308062.

The product of its digits is 38707200, while the sum is 57.

The spelling of 325643587842 in words is "three hundred twenty-five billion, six hundred forty-three million, five hundred eighty-seven thousand, eight hundred forty-two".