42142634625 has 128 divisors (see below), whose sum is σ = 88643423232. Its totient is φ = 17302118400.

The previous prime is 42142634587. The next prime is 42142634641. The reversal of 42142634625 is 52643624124.

It is a happy number.

42142634625 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 42142634625 - 2¹⁵ = 42142601857 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1245937 + ... + 1279313.

It is an arithmetic number, because the mean of its divisors is an integer number (692526744).

Almost surely, 2^42142634625 is an apocalyptic number.

It is an amenable number.

42142634625 is an abundant number, since it is smaller than the sum of its proper divisors (46500788607).

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

42142634625 is a wasteful number, since it uses less digits than its factorization.

42142634625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33452 (or 33442 counting only the distinct ones).

The product of its digits is 276480, while the sum is 39.

The spelling of 42142634625 in words is "forty-two billion, one hundred forty-two million, six hundred thirty-four thousand, six hundred twenty-five".