42444021562246 has 32 divisors (see below), whose sum is σ = 65786369322240. Its totient is φ = 20529719782176.

The previous prime is 42444021562237. The next prime is 42444021562247. The reversal of 42444021562246 is 64226512044424.

It is a junction number, because it is equal to n+sod(n) for n = 42444021562196 and 42444021562205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42444021562247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9568441 + ... + 13283188.

It is an arithmetic number, because the mean of its divisors is an integer number (2055824041320).

Almost surely, 2^{42444021562246} is an apocalyptic number.

42444021562246 is a deficient number, since it is larger than the sum of its proper divisors (23342347759994).

42444021562246 is a wasteful number, since it uses less digits than its factorization.

42444021562246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22851948.

The product of its (nonzero) digits is 2949120, while the sum is 46.

The spelling of 42444021562246 in words is "forty-two trillion, four hundred forty-four billion, twenty-one million, five hundred sixty-two thousand, two hundred forty-six".