320872503244 has 24 divisors (see below), whose sum is σ = 594763047648. Its totient is φ = 150946717440.

The previous prime is 320872503199. The next prime is 320872503293. The reversal of 320872503244 is 442305278023.

It is a junction number, because it is equal to n+sod(n) for n = 320872503197 and 320872503206.

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, 615327 + ... + 1010134.

It is an arithmetic number, because the mean of its divisors is an integer number (24781793652).

Almost surely, 2^320872503244 is an apocalyptic number.

320872503244 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

320872503244 is a deficient number, since it is larger than the sum of its proper divisors (273890544404).

320872503244 is a wasteful number, since it uses less digits than its factorization.

320872503244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1628385 (or 1628383 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 40.

The spelling of 320872503244 in words is "three hundred twenty billion, eight hundred seventy-two million, five hundred three thousand, two hundred forty-four".