320525040746 has 16 divisors (see below), whose sum is σ = 491401175040. Its totient is φ = 156729983760.

The previous prime is 320525040727. The next prime is 320525040769. The reversal of 320525040746 is 647040525023.

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, 1212785 + ... + 1453236.

It is an arithmetic number, because the mean of its divisors is an integer number (30712573440).

Almost surely, 2^320525040746 is an apocalyptic number.

320525040746 is a deficient number, since it is larger than the sum of its proper divisors (170876134294).

320525040746 is a wasteful number, since it uses less digits than its factorization.

320525040746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2667349.

The product of its (nonzero) digits is 201600, while the sum is 38.

Adding to 320525040746 its reverse (647040525023), we get a palindrome (967565565769).

The spelling of 320525040746 in words is "three hundred twenty billion, five hundred twenty-five million, forty thousand, seven hundred forty-six".