42120028426036 has 12 divisors (see below), whose sum is σ = 80410963358880. Its totient is φ = 19145467466360.

The previous prime is 42120028426033. The next prime is 42120028426093. The reversal of 42120028426036 is 63062482002124.

42120028426036 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×42120028426036² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 42120028426036.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42120028426033) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 478636686616 + ... + 478636686703.

It is an arithmetic number, because the mean of its divisors is an integer number (6700913613240).

Almost surely, 2^{42120028426036} is an apocalyptic number.

It is an amenable number.

42120028426036 is a deficient number, since it is larger than the sum of its proper divisors (38290934932844).

42120028426036 is a wasteful number, since it uses less digits than its factorization.

42120028426036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 957273373334 (or 957273373332 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 40.

The spelling of 42120028426036 in words is "forty-two trillion, one hundred twenty billion, twenty-eight million, four hundred twenty-six thousand, thirty-six".