320038253828 has 6 divisors (see below), whose sum is σ = 560066944206. Its totient is φ = 160019126912.

The previous prime is 320038253791. The next prime is 320038253851. The reversal of 320038253828 is 828352830023.

It can be written as a sum of positive squares in only one way, i.e., 313116346624 + 6921907204 = 559568^2 + 83198^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40004781725 + ... + 40004781732.

It is an arithmetic number, because the mean of its divisors is an integer number (93344490701).

Almost surely, 2^320038253828 is an apocalyptic number.

It is an amenable number.

320038253828 is a deficient number, since it is larger than the sum of its proper divisors (240028690378).

320038253828 is a wasteful number, since it uses less digits than its factorization.

320038253828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80009563461 (or 80009563459 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 44.

The spelling of 320038253828 in words is "three hundred twenty billion, thirty-eight million, two hundred fifty-three thousand, eight hundred twenty-eight".