404233542 has 12 divisors (see below), whose sum is σ = 875839380. Its totient is φ = 134744508.

The previous prime is 404233517. The next prime is 404233549. The reversal of 404233542 is 245332404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404233549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11228692 + ... + 11228727.

It is an arithmetic number, because the mean of its divisors is an integer number (72986615).

Almost surely, 2^404233542 is an apocalyptic number.

404233542 is an abundant number, since it is smaller than the sum of its proper divisors (471605838).

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

404233542 is a wasteful number, since it uses less digits than its factorization.

404233542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22457427 (or 22457424 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 27.

The square root of 404233542 is about 20105.5599772799. The cubic root of 404233542 is about 739.3965996686.

Adding to 404233542 its reverse (245332404), we get a palindrome (649565946).

The spelling of 404233542 in words is "four hundred four million, two hundred thirty-three thousand, five hundred forty-two".