40159080810 has 96 divisors (see below), whose sum is σ = 108479301840. Its totient is φ = 10295276544.

The previous prime is 40159080799. The next prime is 40159080811. The reversal of 40159080810 is 1808095104.

It can be written as a sum of positive squares in 8 ways, for example, as 20988186129 + 19170894681 = 144873^2 + 138459^2 .

It is a super-2 number, since 2×40159080810² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40159080811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 575112 + ... + 641148.

Almost surely, 2^40159080810 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40159080810, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54239650920).

40159080810 is an abundant number, since it is smaller than the sum of its proper divisors (68320221030).

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

40159080810 is a wasteful number, since it uses less digits than its factorization.

40159080810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66312 (or 66309 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 36.

The spelling of 40159080810 in words is "forty billion, one hundred fifty-nine million, eighty thousand, eight hundred ten".