320590950435840 has 704 divisors, whose sum is σ = 1200585725015040. Its totient is φ = 71497887252480.

The previous prime is 320590950435817. The next prime is 320590950435851. The reversal of 320590950435840 is 48534059095023.

It is a hoax number, since the sum of its digits (57) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1031283951 + ... + 1031594769.

Almost surely, 2^{320590950435840} is an apocalyptic number.

320590950435840 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 320590950435840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (600292862507520).

320590950435840 is an abundant number, since it is smaller than the sum of its proper divisors (879994774579200).

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

320590950435840 is a wasteful number, since it uses less digits than its factorization.

320590950435840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311088 (or 311070 counting only the distinct ones).

The product of its (nonzero) digits is 23328000, while the sum is 57.

The spelling of 320590950435840 in words is "three hundred twenty trillion, five hundred ninety billion, nine hundred fifty million, four hundred thirty-five thousand, eight hundred forty".