326130566221040 has 80 divisors (see below), whose sum is σ = 894529553111040. Its totient is φ = 108209220122880.

The previous prime is 326130566221027. The next prime is 326130566221079. The reversal of 326130566221040 is 40122665031623.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×326130566221040² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9393144110 + ... + 9393178829.

It is an arithmetic number, because the mean of its divisors is an integer number (11181619413888).

Almost surely, 2^{326130566221040} is an apocalyptic number.

It is an amenable number.

326130566221040 is an abundant number, since it is smaller than the sum of its proper divisors (568398986890000).

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

326130566221040 is a wasteful number, since it uses less digits than its factorization.

326130566221040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18786322990 (or 18786322984 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 41.

The spelling of 326130566221040 in words is "three hundred twenty-six trillion, one hundred thirty billion, five hundred sixty-six million, two hundred twenty-one thousand, forty".