404248130 has 32 divisors (see below), whose sum is σ = 854860608. Its totient is φ = 135691200.

The previous prime is 404248109. The next prime is 404248171. The reversal of 404248130 is 31842404.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a self number, because there is not a number n which added to its sum of digits gives 404248130.

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, 139916 + ... + 142775.

It is an arithmetic number, because the mean of its divisors is an integer number (26714394).

Almost surely, 2^404248130 is an apocalyptic number.

404248130 is an abundant number, since it is smaller than the sum of its proper divisors (450612478).

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

404248130 is a wasteful number, since it uses less digits than its factorization.

404248130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282722.

The product of its (nonzero) digits is 3072, while the sum is 26.

The square root of 404248130 is about 20105.9227592269. The cubic root of 404248130 is about 739.4054940219.

The spelling of 404248130 in words is "four hundred four million, two hundred forty-eight thousand, one hundred thirty".