42512886 has 48 divisors (see below), whose sum is σ = 105041664. Its totient is φ = 12310272.

The previous prime is 42512879. The next prime is 42512891. The reversal of 42512886 is 68821524.

42512886 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 42512886.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1366 + ... + 9321.

It is an arithmetic number, because the mean of its divisors is an integer number (2188368).

Almost surely, 2^42512886 is an apocalyptic number.

42512886 is an abundant number, since it is smaller than the sum of its proper divisors (62528778).

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

42512886 is a wasteful number, since it uses less digits than its factorization.

42512886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10725 (or 10722 counting only the distinct ones).

The product of its digits is 30720, while the sum is 36.

The square root of 42512886 is about 6520.1906413847. The cubic root of 42512886 is about 349.0118686834.

The spelling of 42512886 in words is "forty-two million, five hundred twelve thousand, eight hundred eighty-six".