404440442226 has 32 divisors (see below), whose sum is σ = 899925364800. Its totient is φ = 134638156800.

The previous prime is 404440442209. The next prime is 404440442243. The reversal of 404440442226 is 622244044404.

It is an interprime number because it is at equal distance from previous prime (404440442209) and next prime (404440442243).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4828200 + ... + 4911251.

It is an arithmetic number, because the mean of its divisors is an integer number (28122667650).

Almost surely, 2^404440442226 is an apocalyptic number.

404440442226 is an abundant number, since it is smaller than the sum of its proper divisors (495484922574).

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

404440442226 is a wasteful number, since it uses less digits than its factorization.

404440442226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9740231 (or 9740225 counting only the distinct ones).

The product of its (nonzero) digits is 196608, while the sum is 36.

The spelling of 404440442226 in words is "four hundred four billion, four hundred forty million, four hundred forty-two thousand, two hundred twenty-six".