42625106442 has 20 divisors (see below), whose sum is σ = 95511812946. Its totient is φ = 14208368760.

The previous prime is 42625106441. The next prime is 42625106449. The reversal of 42625106442 is 24460152624.

42625106442 is a `hidden beast` number, since 4 + 2 + 6 + 2 + 5 + 1 + 0 + 644 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 39708134361 + 2916972081 = 199269^2 + 54009^2 .

It is a junction number, because it is equal to n+sod(n) for n = 42625106397 and 42625106406.

It is not an unprimeable number, because it can be changed into a prime (42625106441) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 131558809 + ... + 131559132.

Almost surely, 2^42625106442 is an apocalyptic number.

42625106442 is an abundant number, since it is smaller than the sum of its proper divisors (52886706504).

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

42625106442 is a wasteful number, since it uses less digits than its factorization.

42625106442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263117955 (or 263117946 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 36.

The spelling of 42625106442 in words is "forty-two billion, six hundred twenty-five million, one hundred six thousand, four hundred forty-two".