402203144 has 32 divisors (see below), whose sum is σ = 874735680. Its totient is φ = 169798464.

The previous prime is 402203129. The next prime is 402203183. The reversal of 402203144 is 441302204.

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 7 ways as a sum of consecutive naturals, for example, 49847 + ... + 57350.

It is an arithmetic number, because the mean of its divisors is an integer number (27335490).

Almost surely, 2^402203144 is an apocalyptic number.

It is an amenable number.

402203144 is an abundant number, since it is smaller than the sum of its proper divisors (472532536).

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

402203144 is a wasteful number, since it uses less digits than its factorization.

402203144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107277 (or 107273 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 402203144 is about 20055.0029668410. The cubic root of 402203144 is about 738.1565657107.

Adding to 402203144 its reverse (441302204), we get a palindrome (843505348).

The spelling of 402203144 in words is "four hundred two million, two hundred three thousand, one hundred forty-four".