404412402 has 32 divisors (see below), whose sum is σ = 828951552. Its totient is φ = 131489424.

The previous prime is 404412401. The next prime is 404412403. The reversal of 404412402 is 204214404.

It is an interprime number because it is at equal distance from previous prime (404412401) and next prime (404412403).

It is not an unprimeable number, because it can be changed into a prime (404412401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36523 + ... + 46289.

It is an arithmetic number, because the mean of its divisors is an integer number (25904736).

Almost surely, 2^404412402 is an apocalyptic number.

404412402 is an abundant number, since it is smaller than the sum of its proper divisors (424539150).

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

404412402 is a wasteful number, since it uses less digits than its factorization.

404412402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9942.

The product of its (nonzero) digits is 1024, while the sum is 21.

The square root of 404412402 is about 20110.0075087007. The cubic root of 404412402 is about 739.5056364519.

Adding to 404412402 its reverse (204214404), we get a palindrome (608626806).

The spelling of 404412402 in words is "four hundred four million, four hundred twelve thousand, four hundred two".