42563876 has 24 divisors (see below), whose sum is σ = 79894080. Its totient is φ = 19779552.

The previous prime is 42563849. The next prime is 42563879. The reversal of 42563876 is 67836524.

It is a happy number.

It is a Smith number, since the sum of its digits (41) 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 (42563879) 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 7 ways as a sum of consecutive naturals, for example, 1256 + ... + 9311.

It is an arithmetic number, because the mean of its divisors is an integer number (3328920).

Almost surely, 2^42563876 is an apocalyptic number.

It is an amenable number.

42563876 is a deficient number, since it is larger than the sum of its proper divisors (37330204).

42563876 is a wasteful number, since it uses less digits than its factorization.

42563876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10643 (or 10641 counting only the distinct ones).

The product of its digits is 241920, while the sum is 41.

The square root of 42563876 is about 6524.0996313668. The cubic root of 42563876 is about 349.1513480013.

The spelling of 42563876 in words is "forty-two million, five hundred sixty-three thousand, eight hundred seventy-six".