409752432 has 60 divisors (see below), whose sum is σ = 1189220760. Its totient is φ = 136582848.

The previous prime is 409752391. The next prime is 409752443. The reversal of 409752432 is 234257904.

409752432 is a `hidden beast` number, since 40 + 97 + 524 + 3 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 48807 + ... + 56582.

It is an arithmetic number, because the mean of its divisors is an integer number (19820346).

Almost surely, 2^409752432 is an apocalyptic number.

It is an amenable number.

409752432 is an abundant number, since it is smaller than the sum of its proper divisors (779468328).

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

409752432 is a wasteful number, since it uses less digits than its factorization.

409752432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105412 (or 105394 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 409752432 is about 20242.3425521850. The cubic root of 409752432 is about 742.7463278206.

The spelling of 409752432 in words is "four hundred nine million, seven hundred fifty-two thousand, four hundred thirty-two".