40564162 has 4 divisors (see below), whose sum is σ = 60846246. Its totient is φ = 20282080.

The previous prime is 40564103. The next prime is 40564163. The reversal of 40564162 is 26146504.

It is a Cunningham number, because it is equal to 6369²+1.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 40564161 + 1 = 6369^2 + 1^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 40564162.

It is not an unprimeable number, because it can be changed into a prime (40564163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10141039 + ... + 10141042.

Almost surely, 2^40564162 is an apocalyptic number.

40564162 is a deficient number, since it is larger than the sum of its proper divisors (20282084).

40564162 is a wasteful number, since it uses less digits than its factorization.

40564162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20282083.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 40564162 is about 6369.0000785053. Note that the first 4 decimals coincide. The cubic root of 40564162 is about 343.5955280825.

The spelling of 40564162 in words is "forty million, five hundred sixty-four thousand, one hundred sixty-two".