40020182 has 8 divisors (see below), whose sum is σ = 61494552. Its totient is φ = 19522000.

The previous prime is 40020181. The next prime is 40020187. The reversal of 40020182 is 28102004.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×40020182² = 3203229934626248, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40020182.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40020181) 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, 243944 + ... + 244107.

It is an arithmetic number, because the mean of its divisors is an integer number (7686819).

Almost surely, 2^40020182 is an apocalyptic number.

40020182 is a deficient number, since it is larger than the sum of its proper divisors (21474370).

40020182 is a wasteful number, since it uses less digits than its factorization.

40020182 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 488094.

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 40020182 is about 6326.1506463251. The cubic root of 40020182 is about 342.0526975554.

Adding to 40020182 its reverse (28102004), we get a palindrome (68122186).

The spelling of 40020182 in words is "forty million, twenty thousand, one hundred eighty-two".