402552244 has 12 divisors (see below), whose sum is σ = 704705764. Its totient is φ = 201207744.

The previous prime is 402552223. The next prime is 402552247. The reversal of 402552244 is 442255204.

It can be written as a sum of positive squares in 2 ways, for example, as 256384144 + 146168100 = 16012^2 + 12090^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402552247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2457 + ... + 28480.

Almost surely, 2^402552244 is an apocalyptic number.

It is an amenable number.

402552244 is a deficient number, since it is larger than the sum of its proper divisors (302153520).

402552244 is a wasteful number, since it uses less digits than its factorization.

402552244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34194 (or 34192 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 28.

The square root of 402552244 is about 20063.7046429616. The cubic root of 402552244 is about 738.3700697082.

The spelling of 402552244 in words is "four hundred two million, five hundred fifty-two thousand, two hundred forty-four".