444643450003356 has 24 divisors (see below), whose sum is σ = 1037745904172544. Its totient is φ = 148179551787120.

The previous prime is 444643450003331. The next prime is 444643450003367. The reversal of 444643450003356 is 653300054346444.

It is a super-2 number, since 2×444643450003356² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 444643450003299 and 444643450003308.

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, 4366390380 + ... + 4366492211.

It is an arithmetic number, because the mean of its divisors is an integer number (43239412673856).

Almost surely, 2^{444643450003356} is an apocalyptic number.

It is an amenable number.

444643450003356 is an abundant number, since it is smaller than the sum of its proper divisors (593102454169188).

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

444643450003356 is a wasteful number, since it uses less digits than its factorization.

444643450003356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8732886841 (or 8732886839 counting only the distinct ones).

The product of its (nonzero) digits is 24883200, while the sum is 51.

The spelling of 444643450003356 in words is "four hundred forty-four trillion, six hundred forty-three billion, four hundred fifty million, three thousand, three hundred fifty-six".