42585131500 has 48 divisors (see below), whose sum is σ = 95519642400. Its totient is φ = 16573665600.

The previous prime is 42585131497. The next prime is 42585131507. The reversal of 42585131500 is 513158524.

42585131500 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (42585131507) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1132450 + ... + 1169449.

It is an arithmetic number, because the mean of its divisors is an integer number (1989992550).

Almost surely, 2^42585131500 is an apocalyptic number.

It is an amenable number.

42585131500 is an abundant number, since it is smaller than the sum of its proper divisors (52934510900).

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

42585131500 is a wasteful number, since it uses less digits than its factorization.

42585131500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2301955 (or 2301943 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 34.

The spelling of 42585131500 in words is "forty-two billion, five hundred eighty-five million, one hundred thirty-one thousand, five hundred".