42420501156 has 24 divisors (see below), whose sum is σ = 107979457824. Its totient is φ = 12854697280.

The previous prime is 42420501113. The next prime is 42420501247. The reversal of 42420501156 is 65110502424.

42420501156 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 160683585 + ... + 160683848.

It is an arithmetic number, because the mean of its divisors is an integer number (4499144076).

Almost surely, 2^42420501156 is an apocalyptic number.

It is an amenable number.

42420501156 is an abundant number, since it is smaller than the sum of its proper divisors (65558956668).

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

42420501156 is a wasteful number, since it uses less digits than its factorization.

42420501156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321367451 (or 321367449 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

The spelling of 42420501156 in words is "forty-two billion, four hundred twenty million, five hundred one thousand, one hundred fifty-six".