40020160377172 has 12 divisors (see below), whose sum is σ = 70063061431636. Its totient is φ = 20002142825280.

The previous prime is 40020160377151. The next prime is 40020160377191. The reversal of 40020160377172 is 27177306102004.

40020160377172 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 3817748656836 + 36202411720336 = 1953906^2 + 6016844^2 .

It is a super-2 number, since 2×40020160377172² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1984329483 + ... + 1984349650.

Almost surely, 2^{40020160377172} is an apocalyptic number.

It is an amenable number.

40020160377172 is a deficient number, since it is larger than the sum of its proper divisors (30042901054464).

40020160377172 is a wasteful number, since it uses less digits than its factorization.

40020160377172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3968681658 (or 3968681656 counting only the distinct ones).

The product of its (nonzero) digits is 98784, while the sum is 40.

Adding to 40020160377172 its reverse (27177306102004), we get a palindrome (67197466479176).

The spelling of 40020160377172 in words is "forty trillion, twenty billion, one hundred sixty million, three hundred seventy-seven thousand, one hundred seventy-two".