320457755352 has 128 divisors (see below), whose sum is σ = 932110986240. Its totient is φ = 89917685760.

The previous prime is 320457755341. The next prime is 320457755381. The reversal of 320457755352 is 253557754023.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3013228 + ... + 3117764.

It is an arithmetic number, because the mean of its divisors is an integer number (7282117080).

Almost surely, 2^320457755352 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 320457755352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (466055493120).

320457755352 is an abundant number, since it is smaller than the sum of its proper divisors (611653230888).

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

320457755352 is a wasteful number, since it uses less digits than its factorization.

320457755352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104881 (or 104877 counting only the distinct ones).

The product of its (nonzero) digits is 4410000, while the sum is 48.

The spelling of 320457755352 in words is "three hundred twenty billion, four hundred fifty-seven million, seven hundred fifty-five thousand, three hundred fifty-two".