320356340632 has 32 divisors (see below), whose sum is σ = 607609046880. Its totient is φ = 158334865920.

The previous prime is 320356340611. The next prime is 320356340653. The reversal of 320356340632 is 236043653023.

It is an interprime number because it is at equal distance from previous prime (320356340611) and next prime (320356340653).

It is a junction number, because it is equal to n+sod(n) for n = 320356340591 and 320356340600.

It is a congruent number.

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, 137844 + ... + 812227.

It is an arithmetic number, because the mean of its divisors is an integer number (18987782715).

Almost surely, 2^320356340632 is an apocalyptic number.

It is an amenable number.

320356340632 is a deficient number, since it is larger than the sum of its proper divisors (287252706248).

320356340632 is a wasteful number, since it uses less digits than its factorization.

320356340632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 950563 (or 950559 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 37.

Adding to 320356340632 its reverse (236043653023), we get a palindrome (556399993655).

The spelling of 320356340632 in words is "three hundred twenty billion, three hundred fifty-six million, three hundred forty thousand, six hundred thirty-two".