42001222209976 has 8 divisors (see below), whose sum is σ = 78752291643720. Its totient is φ = 21000611104984.

The previous prime is 42001222209901. The next prime is 42001222209997. The reversal of 42001222209976 is 67990222210024.

42001222209976 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2625076388116 + ... + 2625076388131.

It is an arithmetic number, because the mean of its divisors is an integer number (9844036455465).

Almost surely, 2^{42001222209976} is an apocalyptic number.

It is an amenable number.

42001222209976 is a deficient number, since it is larger than the sum of its proper divisors (36751069433744).

42001222209976 is a wasteful number, since it uses less digits than its factorization.

42001222209976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5250152776253 (or 5250152776249 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 46.

The spelling of 42001222209976 in words is "forty-two trillion, one billion, two hundred twenty-two million, two hundred nine thousand, nine hundred seventy-six".