402244304 has 40 divisors (see below), whose sum is σ = 971658048. Its totient is φ = 156718080.

The previous prime is 402244267. The next prime is 402244373. The reversal of 402244304 is 403442204.

It is a self number, because there is not a number n which added to its sum of digits gives 402244304.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 162017 + ... + 164480.

Almost surely, 2^402244304 is an apocalyptic number.

402244304 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

402244304 is an abundant number, since it is smaller than the sum of its proper divisors (569413744).

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

402244304 is a wasteful number, since it uses less digits than its factorization.

402244304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326523 (or 326517 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 23.

The square root of 402244304 is about 20056.0291184472. The cubic root of 402244304 is about 738.1817449336.

Adding to 402244304 its reverse (403442204), we get a palindrome (805686508).

The spelling of 402244304 in words is "four hundred two million, two hundred forty-four thousand, three hundred four".