42506423526 has 32 divisors (see below), whose sum is σ = 98387389440. Its totient is φ = 11990961216.

The previous prime is 42506423473. The next prime is 42506423537. The reversal of 42506423526 is 62532460524.

42506423526 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 15 ways as a sum of consecutive naturals, for example, 6402111 + ... + 6408746.

It is an arithmetic number, because the mean of its divisors is an integer number (3074605920).

Almost surely, 2^42506423526 is an apocalyptic number.

42506423526 is an abundant number, since it is smaller than the sum of its proper divisors (55880965914).

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

42506423526 is a wasteful number, since it uses less digits than its factorization.

42506423526 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12810948.

The product of its (nonzero) digits is 345600, while the sum is 39.

The spelling of 42506423526 in words is "forty-two billion, five hundred six million, four hundred twenty-three thousand, five hundred twenty-six".