405314812 has 12 divisors (see below), whose sum is σ = 810629680. Its totient is φ = 173706336.

The previous prime is 405314779. The next prime is 405314827. The reversal of 405314812 is 218413504.

405314812 is an admirable number.

It is a Harshad number since it is a multiple of its sum of digits (28), and also a Moran number because the ratio is a prime number: 14475529 = 405314812 / (4 + 0 + 5 + 3 + 1 + 4 + 8 + 1 + 2).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7237737 + ... + 7237792.

Almost surely, 2^405314812 is an apocalyptic number.

It is an amenable number.

405314812 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

405314812 is a wasteful number, since it uses less digits than its factorization.

405314812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14475540 (or 14475538 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 405314812 is about 20132.4318451597. The cubic root of 405314812 is about 740.0552746634.

The spelling of 405314812 in words is "four hundred five million, three hundred fourteen thousand, eight hundred twelve".