40200044444 has 24 divisors (see below), whose sum is σ = 80939695200. Its totient is φ = 17112960576.

The previous prime is 40200044429. The next prime is 40200044453. The reversal of 40200044444 is 44444000204.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4813667 + ... + 4822010.

It is an arithmetic number, because the mean of its divisors is an integer number (3372487300).

Almost surely, 2^40200044444 is an apocalyptic number.

It is an amenable number.

40200044444 is an abundant number, since it is smaller than the sum of its proper divisors (40739650756).

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

40200044444 is a wasteful number, since it uses less digits than its factorization.

40200044444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9635837 (or 9635835 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 26.

Adding to 40200044444 its reverse (44444000204), we get a palindrome (84644044648).

The spelling of 40200044444 in words is "forty billion, two hundred million, forty-four thousand, four hundred forty-four".