405464412 has 12 divisors (see below), whose sum is σ = 946083656. Its totient is φ = 135154800.

The previous prime is 405464387. The next prime is 405464429. The reversal of 405464412 is 214464504.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 405464412.

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, 16894339 + ... + 16894362.

Almost surely, 2^405464412 is an apocalyptic number.

It is an amenable number.

405464412 is an abundant number, since it is smaller than the sum of its proper divisors (540619244).

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

405464412 is a wasteful number, since it uses less digits than its factorization.

405464412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33788708 (or 33788706 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 30.

The square root of 405464412 is about 20136.1469005369. The cubic root of 405464412 is about 740.1463138980.

The spelling of 405464412 in words is "four hundred five million, four hundred sixty-four thousand, four hundred twelve".