42245566751946 has 16 divisors (see below), whose sum is σ = 84491545161600. Its totient is φ = 14081786974368.

The previous prime is 42245566751909. The next prime is 42245566752007. The reversal of 42245566751946 is 64915766554224.

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, 15810226 + ... + 18288093.

It is an arithmetic number, because the mean of its divisors is an integer number (5280721572600).

Almost surely, 2^{42245566751946} is an apocalyptic number.

42245566751946 is an abundant number, since it is smaller than the sum of its proper divisors (42245978409654).

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

42245566751946 is a wasteful number, since it uses less digits than its factorization.

42245566751946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34304813.

The product of its digits is 435456000, while the sum is 66.

The spelling of 42245566751946 in words is "forty-two trillion, two hundred forty-five billion, five hundred sixty-six million, seven hundred fifty-one thousand, nine hundred forty-six".