444662642260 has 12 divisors (see below), whose sum is σ = 933791548788. Its totient is φ = 177865056896.

The previous prime is 444662642219. The next prime is 444662642309. The reversal of 444662642260 is 62246266444.

It can be written as a sum of positive squares in 2 ways, for example, as 247514210064 + 197148432196 = 497508^2 + 444014^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 444662642260.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11116566037 + ... + 11116566076.

It is an arithmetic number, because the mean of its divisors is an integer number (77815962399).

Almost surely, 2^444662642260 is an apocalyptic number.

It is an amenable number.

444662642260 is an abundant number, since it is smaller than the sum of its proper divisors (489128906528).

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

444662642260 is a wasteful number, since it uses less digits than its factorization.

444662642260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22233132122 (or 22233132120 counting only the distinct ones).

The product of its (nonzero) digits is 2654208, while the sum is 46.

The spelling of 444662642260 in words is "four hundred forty-four billion, six hundred sixty-two million, six hundred forty-two thousand, two hundred sixty".