404444031104442 has 96 divisors (see below), whose sum is σ = 941494455627264. Its totient is φ = 115488758296800.

The previous prime is 404444031104363. The next prime is 404444031104521. The reversal of 404444031104442 is 244401130444404.

It is an interprime number because it is at equal distance from previous prime (404444031104363) and next prime (404444031104521).

It is a self number, because there is not a number n which added to its sum of digits gives 404444031104442.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11518994467 + ... + 11519029577.

It is an arithmetic number, because the mean of its divisors is an integer number (9807233912784).

Almost surely, 2^{404444031104442} is an apocalyptic number.

404444031104442 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

404444031104442 is an abundant number, since it is smaller than the sum of its proper divisors (537050424522822).

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

404444031104442 is a wasteful number, since it uses less digits than its factorization.

404444031104442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56624 (or 56617 counting only the distinct ones).

The product of its (nonzero) digits is 393216, while the sum is 39.

Adding to 404444031104442 its reverse (244401130444404), we get a palindrome (648845161548846).

The spelling of 404444031104442 in words is "four hundred four trillion, four hundred forty-four billion, thirty-one million, one hundred four thousand, four hundred forty-two".