320426140224154 has 16 divisors (see below), whose sum is σ = 481138434129600. Its totient is φ = 160046699271264.

The previous prime is 320426140224131. The next prime is 320426140224187. The reversal of 320426140224154 is 451422041624023.

It is a super-2 number, since 2×320426140224154² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8018437 + ... + 26554615.

It is an arithmetic number, because the mean of its divisors is an integer number (30071152133100).

Almost surely, 2^{320426140224154} is an apocalyptic number.

320426140224154 is a deficient number, since it is larger than the sum of its proper divisors (160712293905446).

320426140224154 is a wasteful number, since it uses less digits than its factorization.

320426140224154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18545157.

The product of its (nonzero) digits is 368640, while the sum is 40.

Adding to 320426140224154 its reverse (451422041624023), we get a palindrome (771848181848177).

The spelling of 320426140224154 in words is "three hundred twenty trillion, four hundred twenty-six billion, one hundred forty million, two hundred twenty-four thousand, one hundred fifty-four".