40522386 has 16 divisors (see below), whose sum is σ = 81144000. Its totient is φ = 13490928.

The previous prime is 40522381. The next prime is 40522387. The reversal of 40522386 is 68322504.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (40522381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1840 + ... + 9188.

It is an arithmetic number, because the mean of its divisors is an integer number (5071500).

Almost surely, 2^40522386 is an apocalyptic number.

40522386 is an abundant number, since it is smaller than the sum of its proper divisors (40621614).

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

40522386 is a wasteful number, since it uses less digits than its factorization.

40522386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8273.

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 40522386 is about 6365.7195979716. The cubic root of 40522386 is about 343.4775341316.

It can be divided in two parts, 405 and 22386, that added together give a triangular number (22791 = T₂₁₃).

The spelling of 40522386 in words is "forty million, five hundred twenty-two thousand, three hundred eighty-six".