320400424417700 has 72 divisors (see below), whose sum is σ = 758505306345024. Its totient is φ = 116504618544000.

The previous prime is 320400424417639. The next prime is 320400424417751. The reversal of 320400424417700 is 7714424004023.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21989945 + ... + 33531455.

Almost surely, 2^{320400424417700} is an apocalyptic number.

It is an amenable number.

320400424417700 is an abundant number, since it is smaller than the sum of its proper divisors (438104881927324).

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

320400424417700 is a wasteful number, since it uses less digits than its factorization.

320400424417700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11566773 (or 11566766 counting only the distinct ones).

The product of its (nonzero) digits is 150528, while the sum is 38.

The spelling of 320400424417700 in words is "three hundred twenty trillion, four hundred billion, four hundred twenty-four million, four hundred seventeen thousand, seven hundred".