404435742 has 16 divisors (see below), whose sum is σ = 809628672. Its totient is φ = 134685720.

The previous prime is 404435723. The next prime is 404435753. The reversal of 404435742 is 247534404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24484 + ... + 37527.

It is an arithmetic number, because the mean of its divisors is an integer number (50601792).

Almost surely, 2^404435742 is an apocalyptic number.

404435742 is an abundant number, since it is smaller than the sum of its proper divisors (405192930).

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

404435742 is a wasteful number, since it uses less digits than its factorization.

404435742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63103.

The product of its (nonzero) digits is 53760, while the sum is 33.

The square root of 404435742 is about 20110.5878084157. The cubic root of 404435742 is about 739.5198626308.

The spelling of 404435742 in words is "four hundred four million, four hundred thirty-five thousand, seven hundred forty-two".