42113564 has 12 divisors (see below), whose sum is σ = 73974600. Its totient is φ = 20977968.

The previous prime is 42113549. The next prime is 42113569. The reversal of 42113564 is 46531124.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42113569) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18494 + ... + 20645.

It is an arithmetic number, because the mean of its divisors is an integer number (6164550).

Almost surely, 2^42113564 is an apocalyptic number.

It is an amenable number.

42113564 is a deficient number, since it is larger than the sum of its proper divisors (31861036).

42113564 is a wasteful number, since it uses less digits than its factorization.

42113564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39412 (or 39410 counting only the distinct ones).

The product of its digits is 2880, while the sum is 26.

The square root of 42113564 is about 6489.4964365504. The cubic root of 42113564 is about 347.9156773722.

Adding to 42113564 its reverse (46531124), we get a palindrome (88644688).

The spelling of 42113564 in words is "forty-two million, one hundred thirteen thousand, five hundred sixty-four".