444240042402 has 32 divisors (see below), whose sum is σ = 957216137472. Its totient is φ = 136633325184.

The previous prime is 444240042341. The next prime is 444240042479. The reversal of 444240042402 is 204240042444.

It is a self number, because there is not a number n which added to its sum of digits gives 444240042402.

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, 972883 + ... + 1354614.

It is an arithmetic number, because the mean of its divisors is an integer number (29913004296).

Almost surely, 2^444240042402 is an apocalyptic number.

444240042402 is an abundant number, since it is smaller than the sum of its proper divisors (512976095070).

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

444240042402 is a wasteful number, since it uses less digits than its factorization.

444240042402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2329962.

The product of its (nonzero) digits is 32768, while the sum is 30.

Adding to 444240042402 its reverse (204240042444), we get a palindrome (648480084846).

The spelling of 444240042402 in words is "four hundred forty-four billion, two hundred forty million, forty-two thousand, four hundred two".