40856307186 has 16 divisors (see below), whose sum is σ = 85265337024. Its totient is φ = 13026648624.

The previous prime is 40856307127. The next prime is 40856307187. The reversal of 40856307186 is 68170365804.

40856307186 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (40856307187) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 148029961 + ... + 148030236.

It is an arithmetic number, because the mean of its divisors is an integer number (5329083564).

Almost surely, 2^40856307186 is an apocalyptic number.

40856307186 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

40856307186 is an abundant number, since it is smaller than the sum of its proper divisors (44409029838).

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

40856307186 is a wasteful number, since it uses less digits than its factorization.

40856307186 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296060225.

The product of its (nonzero) digits is 967680, while the sum is 48.

The spelling of 40856307186 in words is "forty billion, eight hundred fifty-six million, three hundred seven thousand, one hundred eighty-six".