42500525100 has 144 divisors (see below), whose sum is σ = 136678752000. Its totient is φ = 10108716800.

The previous prime is 42500525087. The next prime is 42500525129. The reversal of 42500525100 is 152500524.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 53401 + ... + 296399.

It is an arithmetic number, because the mean of its divisors is an integer number (949158000).

Almost surely, 2^42500525100 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42500525100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68339376000).

42500525100 is an abundant number, since it is smaller than the sum of its proper divisors (94178226900).

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

42500525100 is a wasteful number, since it uses less digits than its factorization.

42500525100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243080 (or 243073 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 24.

The spelling of 42500525100 in words is "forty-two billion, five hundred million, five hundred twenty-five thousand, one hundred".