42406366662156 has 48 divisors (see below), whose sum is σ = 113486077393920. Its totient is φ = 12072986943360.

The previous prime is 42406366662089. The next prime is 42406366662181. The reversal of 42406366662156 is 65126666360424.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 42406366662096 and 42406366662105.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 898264116 + ... + 898311323.

It is an arithmetic number, because the mean of its divisors is an integer number (2364293279040).

Almost surely, 2^{42406366662156} is an apocalyptic number.

It is an amenable number.

42406366662156 is an abundant number, since it is smaller than the sum of its proper divisors (71079710731764).

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

42406366662156 is a wasteful number, since it uses less digits than its factorization.

42406366662156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1796575734 (or 1796575732 counting only the distinct ones).

The product of its (nonzero) digits is 44789760, while the sum is 57.

The spelling of 42406366662156 in words is "forty-two trillion, four hundred six billion, three hundred sixty-six million, six hundred sixty-two thousand, one hundred fifty-six".