404275842 has 12 divisors (see below), whose sum is σ = 875931030. Its totient is φ = 134758608.

The previous prime is 404275841. The next prime is 404275843. The reversal of 404275842 is 248572404.

It is an interprime number because it is at equal distance from previous prime (404275841) and next prime (404275843).

It can be written as a sum of positive squares in only one way, i.e., 401962401 + 2313441 = 20049^2 + 1521^2 .

It is a junction number, because it is equal to n+sod(n) for n = 404275797 and 404275806.

It is not an unprimeable number, because it can be changed into a prime (404275841) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11229867 + ... + 11229902.

Almost surely, 2^404275842 is an apocalyptic number.

404275842 is an abundant number, since it is smaller than the sum of its proper divisors (471655188).

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

404275842 is a wasteful number, since it uses less digits than its factorization.

404275842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22459777 (or 22459774 counting only the distinct ones).

The product of its (nonzero) digits is 71680, while the sum is 36.

The square root of 404275842 is about 20106.6118975823. The cubic root of 404275842 is about 739.4223895335.

The spelling of 404275842 in words is "four hundred four million, two hundred seventy-five thousand, eight hundred forty-two".