442414431444 has 48 divisors (see below), whose sum is σ = 1111902471680. Its totient is φ = 136460751840.

The previous prime is 442414431443. The next prime is 442414431461. The reversal of 442414431444 is 444134414244.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442414431443) 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, 22553152 + ... + 22572759.

Almost surely, 2^442414431444 is an apocalyptic number.

It is an amenable number.

442414431444 is an abundant number, since it is smaller than the sum of its proper divisors (669488040236).

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

442414431444 is a wasteful number, since it uses less digits than its factorization.

442414431444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45125980 (or 45125978 counting only the distinct ones).

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

Adding to 442414431444 its reverse (444134414244), we get a palindrome (886548845688).

The spelling of 442414431444 in words is "four hundred forty-two billion, four hundred fourteen million, four hundred thirty-one thousand, four hundred forty-four".