320485635275 has 24 divisors (see below), whose sum is σ = 429494739744. Its totient is φ = 235824019200.

The previous prime is 320485635227. The next prime is 320485635313. The reversal of 320485635275 is 572536584023.

It is a de Polignac number, because none of the positive numbers 2^k-320485635275 is a prime.

It is a super-2 number, since 2×320485635275² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1663319 + ... + 1845968.

It is an arithmetic number, because the mean of its divisors is an integer number (17895614156).

Almost surely, 2^320485635275 is an apocalyptic number.

320485635275 is a deficient number, since it is larger than the sum of its proper divisors (109009104469).

320485635275 is a wasteful number, since it uses less digits than its factorization.

320485635275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3509591 (or 3509586 counting only the distinct ones).

The product of its (nonzero) digits is 6048000, while the sum is 50.

The spelling of 320485635275 in words is "three hundred twenty billion, four hundred eighty-five million, six hundred thirty-five thousand, two hundred seventy-five".