404718342 has 48 divisors (see below), whose sum is σ = 943222320. Its totient is φ = 115433472.

The previous prime is 404718317. The next prime is 404718397. The reversal of 404718342 is 243817404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 286534 + ... + 287942.

It is an arithmetic number, because the mean of its divisors is an integer number (19650465).

Almost surely, 2^404718342 is an apocalyptic number.

404718342 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

404718342 is an abundant number, since it is smaller than the sum of its proper divisors (538503978).

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

404718342 is a wasteful number, since it uses less digits than its factorization.

404718342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2405 (or 2398 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 33.

The square root of 404718342 is about 20117.6127311369. The cubic root of 404718342 is about 739.6920693486.

The spelling of 404718342 in words is "four hundred four million, seven hundred eighteen thousand, three hundred forty-two".