42187486 has 16 divisors (see below), whose sum is σ = 72668160. Its totient is φ = 18166680.

The previous prime is 42187477. The next prime is 42187487. The reversal of 42187486 is 68478124.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42187487) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50046 + ... + 50881.

It is an arithmetic number, because the mean of its divisors is an integer number (4541760).

Almost surely, 2^42187486 is an apocalyptic number.

42187486 is a deficient number, since it is larger than the sum of its proper divisors (30480674).

42187486 is a wasteful number, since it uses less digits than its factorization.

42187486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100959.

The product of its digits is 86016, while the sum is 40.

The square root of 42187486 is about 6495.1894506627. The cubic root of 42187486 is about 348.1191240130.

The spelling of 42187486 in words is "forty-two million, one hundred eighty-seven thousand, four hundred eighty-six".