402044244 has 24 divisors (see below), whose sum is σ = 1072118208. Its totient is φ = 114869760.

The previous prime is 402044243. The next prime is 402044267. The reversal of 402044244 is 442440204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402044243) 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, 2393037 + ... + 2393204.

It is an arithmetic number, because the mean of its divisors is an integer number (44671592).

Almost surely, 2^402044244 is an apocalyptic number.

It is an amenable number.

402044244 is an abundant number, since it is smaller than the sum of its proper divisors (670073964).

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

402044244 is a wasteful number, since it uses less digits than its factorization.

402044244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4786255 (or 4786253 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 24.

The square root of 402044244 is about 20051.0409704833. The cubic root of 402044244 is about 738.0593440870.

Adding to 402044244 its reverse (442440204), we get a palindrome (844484448).

The spelling of 402044244 in words is "four hundred two million, forty-four thousand, two hundred forty-four".