42625345242 has 32 divisors (see below), whose sum is σ = 85667883840. Its totient is φ = 14139060480.

The previous prime is 42625345183. The next prime is 42625345337. The reversal of 42625345242 is 24254352624.

It is a self number, because there is not a number n which added to its sum of digits gives 42625345242.

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, 1197234 + ... + 1232322.

It is an arithmetic number, because the mean of its divisors is an integer number (2677121370).

Almost surely, 2^42625345242 is an apocalyptic number.

42625345242 is an abundant number, since it is smaller than the sum of its proper divisors (43042538598).

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

42625345242 is a wasteful number, since it uses less digits than its factorization.

42625345242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36078.

The product of its digits is 460800, while the sum is 39.

Adding to 42625345242 its reverse (24254352624), we get a palindrome (66879697866).

The spelling of 42625345242 in words is "forty-two billion, six hundred twenty-five million, three hundred forty-five thousand, two hundred forty-two".