42625903158 has 20 divisors (see below), whose sum is σ = 95513598180. Its totient is φ = 14208634332.

The previous prime is 42625903157. The next prime is 42625903181. The reversal of 42625903158 is 85130952624.

42625903158 is a `hidden beast` number, since 4 + 2 + 6 + 2 + 590 + 3 + 1 + 58 = 666.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42625903157) 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, 131561268 + ... + 131561591.

It is an arithmetic number, because the mean of its divisors is an integer number (4775679909).

Almost surely, 2^42625903158 is an apocalyptic number.

42625903158 is an abundant number, since it is smaller than the sum of its proper divisors (52887695022).

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

42625903158 is a wasteful number, since it uses less digits than its factorization.

42625903158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263122873 (or 263122864 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 45.

The spelling of 42625903158 in words is "forty-two billion, six hundred twenty-five million, nine hundred three thousand, one hundred fifty-eight".