320052266625 has 128 divisors (see below), whose sum is σ = 664451214336. Its totient is φ = 133203916800.

The previous prime is 320052266617. The next prime is 320052266671. The reversal of 320052266625 is 526662250023.

It is not a de Polignac number, because 320052266625 - 2³ = 320052266617 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 2426887 + ... + 2555363.

It is an arithmetic number, because the mean of its divisors is an integer number (5191025112).

Almost surely, 2^320052266625 is an apocalyptic number.

320052266625 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

320052266625 is an abundant number, since it is smaller than the sum of its proper divisors (344398947711).

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

320052266625 is a wasteful number, since it uses less digits than its factorization.

320052266625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128588 (or 128578 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 39.

The spelling of 320052266625 in words is "three hundred twenty billion, fifty-two million, two hundred sixty-six thousand, six hundred twenty-five".