444620222685828 has 72 divisors (see below), whose sum is σ = 1284464377210560. Its totient is φ = 127033760272320.

The previous prime is 444620222685811. The next prime is 444620222685857. The reversal of 444620222685828 is 828586222026444.

444620222685828 is a `hidden beast` number, since 4 + 4 + 4 + 6 + 2 + 0 + 22 + 26 + 8 + 582 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

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, 51878158 + ... + 59837978.

Almost surely, 2^{444620222685828} is an apocalyptic number.

It is an amenable number.

444620222685828 is an abundant number, since it is smaller than the sum of its proper divisors (839844154524732).

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

444620222685828 is a wasteful number, since it uses less digits than its factorization.

444620222685828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8181497 (or 8181492 counting only the distinct ones).

The product of its (nonzero) digits is 188743680, while the sum is 63.

The spelling of 444620222685828 in words is "four hundred forty-four trillion, six hundred twenty billion, two hundred twenty-two million, six hundred eighty-five thousand, eight hundred twenty-eight".