40806528286 has 8 divisors (see below), whose sum is σ = 63871087824. Its totient is φ = 19516165680.

The previous prime is 40806528283. The next prime is 40806528293. The reversal of 40806528286 is 68282560804.

It is a happy number.

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

It is a super-2 number, since 2×40806528286² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40806528281) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 443549175 + ... + 443549266.

It is an arithmetic number, because the mean of its divisors is an integer number (7983885978).

Almost surely, 2^40806528286 is an apocalyptic number.

40806528286 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

40806528286 is a deficient number, since it is larger than the sum of its proper divisors (23064559538).

40806528286 is a wasteful number, since it uses less digits than its factorization.

40806528286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 887098466.

The product of its (nonzero) digits is 1474560, while the sum is 49.

The spelling of 40806528286 in words is "forty billion, eight hundred six million, five hundred twenty-eight thousand, two hundred eighty-six".