40147168834 has 12 divisors (see below), whose sum is σ = 63557084214. Its totient is φ = 19017079632.

The previous prime is 40147168813. The next prime is 40147168837. The reversal of 40147168834 is 43886174104.

It can be written as a sum of positive squares in only one way, i.e., 26780340609 + 13366828225 = 163647^2 + 115615^2 .

It is a super-2 number, since 2×40147168834² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40147168837) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 27802027 + ... + 27803470.

Almost surely, 2^40147168834 is an apocalyptic number.

40147168834 is a deficient number, since it is larger than the sum of its proper divisors (23409915380).

40147168834 is a wasteful number, since it uses less digits than its factorization.

40147168834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55605537 (or 55605518 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 46.

It can be divided in two parts, 40147 and 168834, that added together give a triangular number (208981 = T₆₄₆).

The spelling of 40147168834 in words is "forty billion, one hundred forty-seven million, one hundred sixty-eight thousand, eight hundred thirty-four".