42244332444 has 72 divisors (see below), whose sum is σ = 113102353728. Its totient is φ = 13248829440.

The previous prime is 42244332439. The next prime is 42244332457. The reversal of 42244332444 is 44423344224.

42244332444 is a `hidden beast` number, since 42 + 244 + 332 + 4 + 44 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

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

It is a junction number, because it is equal to n+sod(n) for n = 42244332399 and 42244332408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2253229 + ... + 2271899.

It is an arithmetic number, because the mean of its divisors is an integer number (1570866024).

Almost surely, 2^42244332444 is an apocalyptic number.

It is an amenable number.

42244332444 is an abundant number, since it is smaller than the sum of its proper divisors (70858021284).

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

42244332444 is a wasteful number, since it uses less digits than its factorization.

42244332444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22395 (or 22390 counting only the distinct ones).

The product of its digits is 294912, while the sum is 36.

Adding to 42244332444 its reverse (44423344224), we get a palindrome (86667676668).

The spelling of 42244332444 in words is "forty-two billion, two hundred forty-four million, three hundred thirty-two thousand, four hundred forty-four".