402604244 has 24 divisors (see below), whose sum is σ = 806339520. Its totient is φ = 172302336.

The previous prime is 402604207. The next prime is 402604291. The reversal of 402604244 is 442406204.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10964 + ... + 30420.

It is an arithmetic number, because the mean of its divisors is an integer number (33597480).

Almost surely, 2^402604244 is an apocalyptic number.

It is an amenable number.

402604244 is an abundant number, since it is smaller than the sum of its proper divisors (403735276).

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

402604244 is a wasteful number, since it uses less digits than its factorization.

402604244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20207 (or 20205 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 26.

The square root of 402604244 is about 20065.0004734612. Note that the first 3 decimals coincide. The cubic root of 402604244 is about 738.4018615158.

The spelling of 402604244 in words is "four hundred two million, six hundred four thousand, two hundred forty-four".