406464052 has 12 divisors (see below), whose sum is σ = 717838660. Its totient is φ = 201367296.

The previous prime is 406464007. The next prime is 406464077. The reversal of 406464052 is 250464604.

It can be written as a sum of positive squares in 2 ways, for example, as 215913636 + 190550416 = 14694^2 + 13804^2 .

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, 465693 + ... + 466564.

Almost surely, 2^406464052 is an apocalyptic number.

It is an amenable number.

406464052 is a deficient number, since it is larger than the sum of its proper divisors (311374608).

406464052 is a wasteful number, since it uses less digits than its factorization.

406464052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 932370 (or 932368 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 31.

The square root of 406464052 is about 20160.9536480792. The cubic root of 406464052 is about 740.7540718439.

The spelling of 406464052 in words is "four hundred six million, four hundred sixty-four thousand, fifty-two".