404243364 has 24 divisors (see below), whose sum is σ = 1077982528. Its totient is φ = 115498080.

The previous prime is 404243363. The next prime is 404243369. The reversal of 404243364 is 463342404.

It is not an unprimeable number, because it can be changed into a prime (404243363) 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, 2406127 + ... + 2406294.

Almost surely, 2^404243364 is an apocalyptic number.

It is an amenable number.

404243364 is an abundant number, since it is smaller than the sum of its proper divisors (673739164).

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

404243364 is a wasteful number, since it uses less digits than its factorization.

404243364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4812435 (or 4812433 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 30.

The square root of 404243364 is about 20105.8042365880. The cubic root of 404243364 is about 739.4025881990.

Adding to 404243364 its reverse (463342404), we get a palindrome (867585768).

The spelling of 404243364 in words is "four hundred four million, two hundred forty-three thousand, three hundred sixty-four".