320745417465 has 64 divisors (see below), whose sum is σ = 573038180352. Its totient is φ = 151850764800.

The previous prime is 320745417427. The next prime is 320745417491. The reversal of 320745417465 is 564714547023.

It is not a de Polignac number, because 320745417465 - 2¹⁸ = 320745155321 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 41721852 + ... + 41729538.

It is an arithmetic number, because the mean of its divisors is an integer number (8953721568).

Almost surely, 2^320745417465 is an apocalyptic number.

It is an amenable number.

320745417465 is a deficient number, since it is larger than the sum of its proper divisors (252292762887).

320745417465 is a wasteful number, since it uses less digits than its factorization.

320745417465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13630.

The product of its (nonzero) digits is 2822400, while the sum is 48.

The spelling of 320745417465 in words is "three hundred twenty billion, seven hundred forty-five million, four hundred seventeen thousand, four hundred sixty-five".