405081464 has 32 divisors (see below), whose sum is σ = 795763200. Its totient is φ = 193073760.

The previous prime is 405081461. The next prime is 405081499. The reversal of 405081464 is 464180504.

It is a self number, because there is not a number n which added to its sum of digits gives 405081464.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (405081461) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4427 + ... + 28805.

It is an arithmetic number, because the mean of its divisors is an integer number (24867600).

Almost surely, 2^405081464 is an apocalyptic number.

It is an amenable number.

405081464 is a deficient number, since it is larger than the sum of its proper divisors (390681736).

405081464 is a wasteful number, since it uses less digits than its factorization.

405081464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24483 (or 24479 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 32.

The square root of 405081464 is about 20126.6356850816. The cubic root of 405081464 is about 739.9132257637.

The spelling of 405081464 in words is "four hundred five million, eighty-one thousand, four hundred sixty-four".