42031455612 has 24 divisors (see below), whose sum is σ = 98174426112. Its totient is φ = 13996052400.

The previous prime is 42031455581. The next prime is 42031455623. The reversal of 42031455612 is 21655413024.

42031455612 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 1791964 + ... + 1815267.

It is an arithmetic number, because the mean of its divisors is an integer number (4090601088).

Almost surely, 2^42031455612 is an apocalyptic number.

It is an amenable number.

42031455612 is an abundant number, since it is smaller than the sum of its proper divisors (56142970500).

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

42031455612 is a wasteful number, since it uses less digits than its factorization.

42031455612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3608209 (or 3608207 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 33.

Adding to 42031455612 its reverse (21655413024), we get a palindrome (63686868636).

The spelling of 42031455612 in words is "forty-two billion, thirty-one million, four hundred fifty-five thousand, six hundred twelve".