320435760222491 has 16 divisors (see below), whose sum is σ = 327522957300000. Its totient is φ = 313388329233408.

The previous prime is 320435760222437. The next prime is 320435760222541. The reversal of 320435760222491 is 194222067534023.

It is a cyclic number.

It is not a de Polignac number, because 320435760222491 - 2⁶ = 320435760222427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320435760222421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21960125 + ... + 33512961.

It is an arithmetic number, because the mean of its divisors is an integer number (20470184831250).

Almost surely, 2^{320435760222491} is an apocalyptic number.

320435760222491 is a deficient number, since it is larger than the sum of its proper divisors (7087197077509).

320435760222491 is a wasteful number, since it uses less digits than its factorization.

320435760222491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11554558.

The product of its (nonzero) digits is 4354560, while the sum is 50.

The spelling of 320435760222491 in words is "three hundred twenty trillion, four hundred thirty-five billion, seven hundred sixty million, two hundred twenty-two thousand, four hundred ninety-one".