42156513532 has 24 divisors (see below), whose sum is σ = 84392552160. Its totient is φ = 18050036160.

The previous prime is 42156513467. The next prime is 42156513541. The reversal of 42156513532 is 23531565124.

It is a junction number, because it is equal to n+sod(n) for n = 42156513491 and 42156513500.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 679807 + ... + 739222.

It is an arithmetic number, because the mean of its divisors is an integer number (3516356340).

Almost surely, 2^42156513532 is an apocalyptic number.

It is an amenable number.

42156513532 is an abundant number, since it is smaller than the sum of its proper divisors (42236038628).

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

42156513532 is a wasteful number, since it uses less digits than its factorization.

42156513532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1420101 (or 1420099 counting only the distinct ones).

The product of its digits is 108000, while the sum is 37.

The spelling of 42156513532 in words is "forty-two billion, one hundred fifty-six million, five hundred thirteen thousand, five hundred thirty-two".