40182021822 has 8 divisors (see below), whose sum is σ = 80364043656. Its totient is φ = 13394007272.

The previous prime is 40182021779. The next prime is 40182021853. The reversal of 40182021822 is 22812028104.

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

40182021822 is an admirable number.

It is a super-2 number, since 2×40182021822² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40182021822.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3348501813 + ... + 3348501824.

It is an arithmetic number, because the mean of its divisors is an integer number (10045505457).

Almost surely, 2^40182021822 is an apocalyptic number.

40182021822 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

40182021822 is a wasteful number, since it uses less digits than its factorization.

40182021822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6697003642.

The product of its (nonzero) digits is 4096, while the sum is 30.

Adding to 40182021822 its reverse (22812028104), we get a palindrome (62994049926).

The spelling of 40182021822 in words is "forty billion, one hundred eighty-two million, twenty-one thousand, eight hundred twenty-two".