405874064 has 20 divisors (see below), whose sum is σ = 787323120. Its totient is φ = 202693920.

The previous prime is 405874061. The next prime is 405874069. The reversal of 405874064 is 460478504.

It is not an unprimeable number, because it can be changed into a prime (405874061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1022 + ... + 28509.

It is an arithmetic number, because the mean of its divisors is an integer number (39366156).

Almost surely, 2^405874064 is an apocalyptic number.

It is an amenable number.

405874064 is a deficient number, since it is larger than the sum of its proper divisors (381449056).

405874064 is a wasteful number, since it uses less digits than its factorization.

405874064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30398 (or 30392 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 38.

The square root of 405874064 is about 20146.3163878660. The cubic root of 405874064 is about 740.3954934847.

The spelling of 405874064 in words is "four hundred five million, eight hundred seventy-four thousand, sixty-four".