404305513340 has 48 divisors (see below), whose sum is σ = 886016335680. Its totient is φ = 154680345600.

The previous prime is 404305513303. The next prime is 404305513343. The reversal of 404305513340 is 43315503404.

It is a junction number, because it is equal to n+sod(n) for n = 404305513297 and 404305513306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404305513343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12726596 + ... + 12758324.

It is an arithmetic number, because the mean of its divisors is an integer number (18458673660).

Almost surely, 2^404305513340 is an apocalyptic number.

It is an amenable number.

404305513340 is an abundant number, since it is smaller than the sum of its proper divisors (481710822340).

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

404305513340 is a wasteful number, since it uses less digits than its factorization.

404305513340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59462 (or 59460 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 32.

The spelling of 404305513340 in words is "four hundred four billion, three hundred five million, five hundred thirteen thousand, three hundred forty".