444240242646 has 16 divisors (see below), whose sum is σ = 900994295808. Its totient is φ = 145994445800.

The previous prime is 444240242627. The next prime is 444240242671. The reversal of 444240242646 is 646242042444.

It is a junction number, because it is equal to n+sod(n) for n = 444240242598 and 444240242607.

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, 521408310 + ... + 521409161.

It is an arithmetic number, because the mean of its divisors is an integer number (56312143488).

Almost surely, 2^444240242646 is an apocalyptic number.

444240242646 is an abundant number, since it is smaller than the sum of its proper divisors (456754053162).

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

444240242646 is a wasteful number, since it uses less digits than its factorization.

444240242646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1042817547.

The product of its (nonzero) digits is 1179648, while the sum is 42.

The spelling of 444240242646 in words is "four hundred forty-four billion, two hundred forty million, two hundred forty-two thousand, six hundred forty-six".