404370344140 has 48 divisors (see below), whose sum is σ = 996718266432. Its totient is φ = 134894198016.

The previous prime is 404370344137. The next prime is 404370344141. The reversal of 404370344140 is 41443073404.

It is a junction number, because it is equal to n+sod(n) for n = 404370344096 and 404370344105.

It is not an unprimeable number, because it can be changed into a prime (404370344141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39026707 + ... + 39037066.

It is an arithmetic number, because the mean of its divisors is an integer number (20764963884).

Almost surely, 2^404370344140 is an apocalyptic number.

It is an amenable number.

404370344140 is an abundant number, since it is smaller than the sum of its proper divisors (592347922292).

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

404370344140 is a wasteful number, since it uses less digits than its factorization.

404370344140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78063826 (or 78063824 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 34.

The spelling of 404370344140 in words is "four hundred four billion, three hundred seventy million, three hundred forty-four thousand, one hundred forty".