40915822 has 4 divisors (see below), whose sum is σ = 61373736. Its totient is φ = 20457910.

The previous prime is 40915813. The next prime is 40915867. The reversal of 40915822 is 22851904.

40915822 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10228954 + ... + 10228957.

It is an arithmetic number, because the mean of its divisors is an integer number (15343434).

Almost surely, 2^40915822 is an apocalyptic number.

40915822 is a deficient number, since it is larger than the sum of its proper divisors (20457914).

40915822 is a wasteful number, since it uses less digits than its factorization.

40915822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20457913.

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 40915822 is about 6396.5476626068. The cubic root of 40915822 is about 344.5855753335.

The spelling of 40915822 in words is "forty million, nine hundred fifteen thousand, eight hundred twenty-two".