405660460345 has 24 divisors (see below), whose sum is σ = 569432462400. Its totient is φ = 276613136352.

The previous prime is 405660460327. The next prime is 405660460397. The reversal of 405660460345 is 543064066504.

It is a de Polignac number, because none of the positive numbers 2^k-405660460345 is a prime.

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, 4581165 + ... + 4668874.

It is an arithmetic number, because the mean of its divisors is an integer number (23726352600).

Almost surely, 2^405660460345 is an apocalyptic number.

It is an amenable number.

405660460345 is a deficient number, since it is larger than the sum of its proper divisors (163772002055).

405660460345 is a wasteful number, since it uses less digits than its factorization.

405660460345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9250237 (or 9250230 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 43.

The spelling of 405660460345 in words is "four hundred five billion, six hundred sixty million, four hundred sixty thousand, three hundred forty-five".