42956030187 has 32 divisors (see below), whose sum is σ = 72754088960. Its totient is φ = 24538101120.

The previous prime is 42956030177. The next prime is 42956030213. The reversal of 42956030187 is 78103065924.

42956030187 is a `hidden beast` number, since 4 + 2 + 9 + 560 + 3 + 0 + 1 + 87 = 666.

It is not a de Polignac number, because 42956030187 - 2⁶ = 42956030123 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (42956030177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 553458 + ... + 626280.

It is an arithmetic number, because the mean of its divisors is an integer number (2273565280).

It is a 2-persistent number, because it is pandigital, and so is 2⋅42956030187 = 85912060374, but 3⋅42956030187 = 128868090561 is not.

Almost surely, 2^42956030187 is an apocalyptic number.

42956030187 is the 131082-nd heptagonal number.

42956030187 is a deficient number, since it is larger than the sum of its proper divisors (29798058773).

42956030187 is a wasteful number, since it uses less digits than its factorization.

42956030187 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75960 (or 75954 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The spelling of 42956030187 in words is "forty-two billion, nine hundred fifty-six million, thirty thousand, one hundred eighty-seven".