320201266730406 has 64 divisors (see below), whose sum is σ = 643413041542656. Its totient is φ = 106232774457600.

The previous prime is 320201266730399. The next prime is 320201266730441. The reversal of 320201266730406 is 604037662102023.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8705597736 + ... + 8705634516.

It is an arithmetic number, because the mean of its divisors is an integer number (10053328774104).

Almost surely, 2^{320201266730406} is an apocalyptic number.

320201266730406 is an abundant number, since it is smaller than the sum of its proper divisors (323211774812250).

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

320201266730406 is a wasteful number, since it uses less digits than its factorization.

320201266730406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41837.

The product of its (nonzero) digits is 435456, while the sum is 42.

The spelling of 320201266730406 in words is "three hundred twenty trillion, two hundred one billion, two hundred sixty-six million, seven hundred thirty thousand, four hundred six".