320240122432 has 28 divisors (see below), whose sum is σ = 663105908736. Its totient is φ = 153158318720.

The previous prime is 320240122387. The next prime is 320240122457. The reversal of 320240122432 is 234221042023.

It is a junction number, because it is equal to n+sod(n) for n = 320240122397 and 320240122406.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 108775744 + ... + 108778687.

Almost surely, 2^320240122432 is an apocalyptic number.

320240122432 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

320240122432 is an abundant number, since it is smaller than the sum of its proper divisors (342865786304).

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

320240122432 is a wasteful number, since it uses less digits than its factorization.

320240122432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217554466 (or 217554456 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 320240122432 its reverse (234221042023), we get a palindrome (554461164455).

The spelling of 320240122432 in words is "three hundred twenty billion, two hundred forty million, one hundred twenty-two thousand, four hundred thirty-two".