2200000400444 has 72 divisors (see below), whose sum is σ = 4906158647040. Its totient is φ = 853556440800.

The previous prime is 2200000400393. The next prime is 2200000400453. The reversal of 2200000400444 is 4440040000022.

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, 1619462 + ... + 2650029.

It is an arithmetic number, because the mean of its divisors is an integer number (68141092320).

Almost surely, 2^{2200000400444} is an apocalyptic number.

It is an amenable number.

2200000400444 is an abundant number, since it is smaller than the sum of its proper divisors (2706158246596).

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

2200000400444 is a wasteful number, since it uses less digits than its factorization.

2200000400444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4269759 (or 4269750 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

Adding to 2200000400444 its reverse (4440040000022), we get a palindrome (6640040400466).

The spelling of 2200000400444 in words is "two trillion, two hundred billion, four hundred thousand, four hundred forty-four".