444400232 has 8 divisors (see below), whose sum is σ = 833250450. Its totient is φ = 222200112.

The previous prime is 444400219. The next prime is 444400249. The reversal of 444400232 is 232004444.

It can be written as a sum of positive squares in only one way, i.e., 410224516 + 34175716 = 20254^2 + 5846^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 444400198 and 444400207.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27775007 + ... + 27775022.

Almost surely, 2^444400232 is an apocalyptic number.

It is an amenable number.

444400232 is a deficient number, since it is larger than the sum of its proper divisors (388850218).

444400232 is a wasteful number, since it uses less digits than its factorization.

444400232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55550035 (or 55550031 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 23.

The square root of 444400232 is about 21080.8024515197. The cubic root of 444400232 is about 763.1175222223.

Adding to 444400232 its reverse (232004444), we get a palindrome (676404676).

The spelling of 444400232 in words is "four hundred forty-four million, four hundred thousand, two hundred thirty-two".