404300431240 has 64 divisors (see below), whose sum is σ = 916113285360. Its totient is φ = 160578524160.

The previous prime is 404300431231. The next prime is 404300431313. The reversal of 404300431240 is 42134003404.

It can be written as a sum of positive squares in 8 ways, for example, as 65988361924 + 338312069316 = 256882^2 + 581646^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4684962 + ... + 4770478.

Almost surely, 2^404300431240 is an apocalyptic number.

404300431240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

404300431240 is an abundant number, since it is smaller than the sum of its proper divisors (511812854120).

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

404300431240 is a wasteful number, since it uses less digits than its factorization.

404300431240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86362 (or 86358 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 404300431240 its reverse (42134003404), we get a palindrome (446434434644).

The spelling of 404300431240 in words is "four hundred four billion, three hundred million, four hundred thirty-one thousand, two hundred forty".