404122410 has 24 divisors (see below), whose sum is σ = 1050718500. Its totient is φ = 107765952.

The previous prime is 404122391. The next prime is 404122427. The reversal of 404122410 is 14221404.

It can be written as a sum of positive squares in 2 ways, for example, as 394777161 + 9345249 = 19869^2 + 3057^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2245035 + ... + 2245214.

Almost surely, 2^404122410 is an apocalyptic number.

404122410 is an abundant number, since it is smaller than the sum of its proper divisors (646596090).

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

404122410 is a wasteful number, since it uses less digits than its factorization.

404122410 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4490262 (or 4490259 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 404122410 is about 20102.7960741783. The cubic root of 404122410 is about 739.3288350840.

Adding to 404122410 its reverse (14221404), we get a palindrome (418343814).

The spelling of 404122410 in words is "four hundred four million, one hundred twenty-two thousand, four hundred ten".