42564411 has 12 divisors (see below), whose sum is σ = 61796592. Its totient is φ = 28231056.

The previous prime is 42564409. The next prime is 42564443. The reversal of 42564411 is 11446524.

42564411 is a `hidden beast` number, since 4 + 2 + 5 + 644 + 11 = 666.

It is not a de Polignac number, because 42564411 - 2¹ = 42564409 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42564451) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10231 + ... + 13776.

It is an arithmetic number, because the mean of its divisors is an integer number (5149716).

Almost surely, 2^42564411 is an apocalyptic number.

42564411 is a deficient number, since it is larger than the sum of its proper divisors (19232181).

42564411 is a wasteful number, since it uses less digits than its factorization.

42564411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24210 (or 24207 counting only the distinct ones).

The product of its digits is 3840, while the sum is 27.

The square root of 42564411 is about 6524.1406330643. The cubic root of 42564411 is about 349.1528108630.

It can be divided in two parts, 42 and 564411, that added together give a triangular number (564453 = T₁₀₆₂).

The spelling of 42564411 in words is "forty-two million, five hundred sixty-four thousand, four hundred eleven".