40557822 has 16 divisors (see below), whose sum is σ = 81457920. Its totient is φ = 13462232.

The previous prime is 40557793. The next prime is 40557833. The reversal of 40557822 is 22875504.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12708 + ... + 15575.

It is an arithmetic number, because the mean of its divisors is an integer number (5091120).

Almost surely, 2^40557822 is an apocalyptic number.

40557822 is an abundant number, since it is smaller than the sum of its proper divisors (40900098).

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

40557822 is a wasteful number, since it uses less digits than its factorization.

40557822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28527.

The product of its (nonzero) digits is 22400, while the sum is 33.

The square root of 40557822 is about 6368.5023357144. The cubic root of 40557822 is about 343.5776263269.

The spelling of 40557822 in words is "forty million, five hundred fifty-seven thousand, eight hundred twenty-two".