444200406424656 has 80 divisors (see below), whose sum is σ = 1311452321096064. Its totient is φ = 126914062920192.

The previous prime is 444200406424639. The next prime is 444200406424673. The reversal of 444200406424656 is 656424604002444.

It is an interprime number because it is at equal distance from previous prime (444200406424639) and next prime (444200406424673).

It is a junction number, because it is equal to n+sod(n) for n = 444200406424599 and 444200406424608.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 141528966 + ... + 144633498.

Almost surely, 2^{444200406424656} is an apocalyptic number.

It is an amenable number.

444200406424656 is an abundant number, since it is smaller than the sum of its proper divisors (867251914671408).

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

444200406424656 is a wasteful number, since it uses less digits than its factorization.

444200406424656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3530388 (or 3530382 counting only the distinct ones).

The product of its (nonzero) digits is 17694720, while the sum is 51.

The spelling of 444200406424656 in words is "four hundred forty-four trillion, two hundred billion, four hundred six million, four hundred twenty-four thousand, six hundred fifty-six".