40840822 has 32 divisors (see below), whose sum is σ = 69341184. Its totient is φ = 17877600.

The previous prime is 40840777. The next prime is 40840829. The reversal of 40840822 is 22804804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40840829) 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, 106443 + ... + 106825.

It is an arithmetic number, because the mean of its divisors is an integer number (2166912).

Almost surely, 2^40840822 is an apocalyptic number.

40840822 is a deficient number, since it is larger than the sum of its proper divisors (28500362).

40840822 is a wasteful number, since it uses less digits than its factorization.

40840822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 564.

The product of its (nonzero) digits is 4096, while the sum is 28.

The square root of 40840822 is about 6390.6824361722. The cubic root of 40840822 is about 344.3749011257.

It can be divided in two parts, 4084082 and 2, that multiplied together give a square (8168164 = 2858²).

The spelling of 40840822 in words is "forty million, eight hundred forty thousand, eight hundred twenty-two".