321268520970 has 32 divisors (see below), whose sum is σ = 856716056640. Its totient is φ = 85671605520.

The previous prime is 321268520959. The next prime is 321268520977. The reversal of 321268520970 is 79025862123.

321268520970 is a `hidden beast` number, since 32 + 1 + 2 + 6 + 8 + 520 + 97 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (321268520977) 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, 594941436 + ... + 594941975.

It is an arithmetic number, because the mean of its divisors is an integer number (26772376770).

Almost surely, 2^321268520970 is an apocalyptic number.

321268520970 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

321268520970 is an abundant number, since it is smaller than the sum of its proper divisors (535447535670).

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

321268520970 is a wasteful number, since it uses less digits than its factorization.

321268520970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1189883427 (or 1189883421 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The spelling of 321268520970 in words is "three hundred twenty-one billion, two hundred sixty-eight million, five hundred twenty thousand, nine hundred seventy".