402552242 has 16 divisors (see below), whose sum is σ = 612835200. Its totient is φ = 198285360.

The previous prime is 402552223. The next prime is 402552247. The reversal of 402552242 is 242255204.

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 7 ways as a sum of consecutive naturals, for example, 74984 + ... + 80172.

It is an arithmetic number, because the mean of its divisors is an integer number (38302200).

Almost surely, 2^402552242 is an apocalyptic number.

402552242 is a deficient number, since it is larger than the sum of its proper divisors (210282958).

402552242 is a wasteful number, since it uses less digits than its factorization.

402552242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5761.

The product of its (nonzero) digits is 6400, while the sum is 26.

The square root of 402552242 is about 20063.7045931204. The cubic root of 402552242 is about 738.3700684854.

The spelling of 402552242 in words is "four hundred two million, five hundred fifty-two thousand, two hundred forty-two".