40216134 has 32 divisors (see below), whose sum is σ = 92125440. Its totient is φ = 11464992.

The previous prime is 40216133. The next prime is 40216157. The reversal of 40216134 is 43161204.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 40216134.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40216133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26952 + ... + 28404.

It is an arithmetic number, because the mean of its divisors is an integer number (2878920).

Almost surely, 2^40216134 is an apocalyptic number.

40216134 is an abundant number, since it is smaller than the sum of its proper divisors (51909306).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40216134 is a wasteful number, since it uses less digits than its factorization.

40216134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2124.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 40216134 is about 6341.6191938652. The cubic root of 40216134 is about 342.6100564495.

Adding to 40216134 its reverse (43161204), we get a palindrome (83377338).

The spelling of 40216134 in words is "forty million, two hundred sixteen thousand, one hundred thirty-four".