402032244 has 24 divisors (see below), whose sum is σ = 938498400. Its totient is φ = 133950304.

The previous prime is 402032207. The next prime is 402032261. The reversal of 402032244 is 442230204.

It is a self number, because there is not a number n which added to its sum of digits gives 402032244.

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, 26182 + ... + 38594.

It is an arithmetic number, because the mean of its divisors is an integer number (39104100).

Almost surely, 2^402032244 is an apocalyptic number.

It is an amenable number.

402032244 is an abundant number, since it is smaller than the sum of its proper divisors (536466156).

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

402032244 is a wasteful number, since it uses less digits than its factorization.

402032244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15119 (or 15117 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 21.

The square root of 402032244 is about 20050.7417319161. The cubic root of 402032244 is about 738.0520009480.

Adding to 402032244 its reverse (442230204), we get a palindrome (844262448).

The spelling of 402032244 in words is "four hundred two million, thirty-two thousand, two hundred forty-four".