42507555100 has 18 divisors (see below), whose sum is σ = 92241394784. Its totient is φ = 17003022000.

The previous prime is 42507555091. The next prime is 42507555109. The reversal of 42507555100 is 155570524.

42507555100 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (42507555091) and next prime (42507555109).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42507555109) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 212537676 + ... + 212537875.

Almost surely, 2^42507555100 is an apocalyptic number.

It is an amenable number.

42507555100 is an abundant number, since it is smaller than the sum of its proper divisors (49733839684).

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

42507555100 is a wasteful number, since it uses less digits than its factorization.

42507555100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 425075565 (or 425075558 counting only the distinct ones).

The product of its (nonzero) digits is 35000, while the sum is 34.

The spelling of 42507555100 in words is "forty-two billion, five hundred seven million, five hundred fifty-five thousand, one hundred".