404232040344 has 96 divisors (see below), whose sum is σ = 1114730285760. Its totient is φ = 122061466560.

The previous prime is 404232040313. The next prime is 404232040357. The reversal of 404232040344 is 443040232404.

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, 575899 + ... + 1067765.

It is an arithmetic number, because the mean of its divisors is an integer number (11611773810).

Almost surely, 2^404232040344 is an apocalyptic number.

404232040344 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 404232040344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (557365142880).

404232040344 is an abundant number, since it is smaller than the sum of its proper divisors (710498245416).

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

404232040344 is a wasteful number, since it uses less digits than its factorization.

404232040344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 492181 (or 492166 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 30.

Adding to 404232040344 its reverse (443040232404), we get a palindrome (847272272748).

The spelling of 404232040344 in words is "four hundred four billion, two hundred thirty-two million, forty thousand, three hundred forty-four".