328431443748 has 24 divisors (see below), whose sum is σ = 767615160480. Its totient is φ = 109294987200.

The previous prime is 328431443723. The next prime is 328431443761. The reversal of 328431443748 is 847344134823.

It is a self number, because there is not a number n which added to its sum of digits gives 328431443748.

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, 22762578 + ... + 22777001.

It is an arithmetic number, because the mean of its divisors is an integer number (31983965020).

Almost surely, 2^328431443748 is an apocalyptic number.

It is an amenable number.

328431443748 is an abundant number, since it is smaller than the sum of its proper divisors (439183716732).

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

328431443748 is a wasteful number, since it uses less digits than its factorization.

328431443748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45540187 (or 45540185 counting only the distinct ones).

The product of its digits is 6193152, while the sum is 51.

The spelling of 328431443748 in words is "three hundred twenty-eight billion, four hundred thirty-one million, four hundred forty-three thousand, seven hundred forty-eight".