320411406451 has 16 divisors (see below), whose sum is σ = 338958259200. Its totient is φ = 302399868960.

The previous prime is 320411406443. The next prime is 320411406479. The reversal of 320411406451 is 154604114023.

It is a cyclic number.

It is not a de Polignac number, because 320411406451 - 2³ = 320411406443 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320411406851) 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, 686400 + ... + 1054498.

It is an arithmetic number, because the mean of its divisors is an integer number (21184891200).

Almost surely, 2^320411406451 is an apocalyptic number.

320411406451 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

320411406451 is a deficient number, since it is larger than the sum of its proper divisors (18546852749).

320411406451 is a wasteful number, since it uses less digits than its factorization.

320411406451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368826.

The product of its (nonzero) digits is 11520, while the sum is 31.

The spelling of 320411406451 in words is "three hundred twenty billion, four hundred eleven million, four hundred six thousand, four hundred fifty-one".