406522432 has 14 divisors (see below), whose sum is σ = 806693078. Its totient is φ = 203261184.

The previous prime is 406522397. The next prime is 406522451. The reversal of 406522432 is 234225604.

It can be written as a sum of positive squares in only one way, i.e., 394578496 + 11943936 = 19864^2 + 3456^2 .

It is a super-3 number, since 3×406522432³ (a number of 27 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 406522432.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3175893 + ... + 3176020.

Almost surely, 2^406522432 is an apocalyptic number.

It is an amenable number.

406522432 is a deficient number, since it is larger than the sum of its proper divisors (400170646).

406522432 is an equidigital number, since it uses as much as digits as its factorization.

406522432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6351925 (or 6351915 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 28.

The square root of 406522432 is about 20162.4014442725. The cubic root of 406522432 is about 740.7895347196.

The spelling of 406522432 in words is "four hundred six million, five hundred twenty-two thousand, four hundred thirty-two".