404531342 has 4 divisors (see below), whose sum is σ = 606797016. Its totient is φ = 202265670.

The previous prime is 404531341. The next prime is 404531359. The reversal of 404531342 is 243135404.

It is a semiprime because it is the product of two primes.

It is a super-3 number, since 3×404531342³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404531341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101132834 + ... + 101132837.

It is an arithmetic number, because the mean of its divisors is an integer number (151699254).

Almost surely, 2^404531342 is an apocalyptic number.

404531342 is a deficient number, since it is larger than the sum of its proper divisors (202265674).

404531342 is a wasteful number, since it uses less digits than its factorization.

404531342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202265673.

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 404531342 is about 20112.9645254000. The cubic root of 404531342 is about 739.5781269579.

Adding to 404531342 its reverse (243135404), we get a palindrome (647666746).

The spelling of 404531342 in words is "four hundred four million, five hundred thirty-one thousand, three hundred forty-two".