405464552 has 16 divisors (see below), whose sum is σ = 804966660. Its totient is φ = 190806784.

The previous prime is 405464551. The next prime is 405464561. The reversal of 405464552 is 255464504.

It can be written as a sum of positive squares in 2 ways, for example, as 393863716 + 11600836 = 19846^2 + 3406^2 .

It is not an unprimeable number, because it can be changed into a prime (405464551) 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, 1490543 + ... + 1490814.

Almost surely, 2^405464552 is an apocalyptic number.

It is an amenable number.

405464552 is a deficient number, since it is larger than the sum of its proper divisors (399502108).

405464552 is a wasteful number, since it uses less digits than its factorization.

405464552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2981380 (or 2981376 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 35.

The square root of 405464552 is about 20136.1503768719. The cubic root of 405464552 is about 740.1463990847.

The spelling of 405464552 in words is "four hundred five million, four hundred sixty-four thousand, five hundred fifty-two".