444400202420 has 24 divisors (see below), whose sum is σ = 948539451048. Its totient is φ = 174845980800.

The previous prime is 444400202401. The next prime is 444400202473. The reversal of 444400202420 is 24202004444.

It can be written as a sum of positive squares in 4 ways, for example, as 11549371024 + 432850831396 = 107468^2 + 657914^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 444400202420.

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, 182130011 + ... + 182132450.

It is an arithmetic number, because the mean of its divisors is an integer number (39522477127).

Almost surely, 2^444400202420 is an apocalyptic number.

It is an amenable number.

444400202420 is an abundant number, since it is smaller than the sum of its proper divisors (504139248628).

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

444400202420 is a wasteful number, since it uses less digits than its factorization.

444400202420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364262531 (or 364262529 counting only the distinct ones).

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

Adding to 444400202420 its reverse (24202004444), we get a palindrome (468602206864).

The spelling of 444400202420 in words is "four hundred forty-four billion, four hundred million, two hundred two thousand, four hundred twenty".