40515143193 has 80 divisors (see below), whose sum is σ = 72858649600. Its totient is φ = 22404211200.

The previous prime is 40515143191. The next prime is 40515143197. The reversal of 40515143193 is 39134151504.

40515143193 is a `hidden beast` number, since 4 + 0 + 51 + 514 + 3 + 1 + 93 = 666.

It is not a de Polignac number, because 40515143193 - 2¹ = 40515143191 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40515143191) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 837753 + ... + 884793.

It is an arithmetic number, because the mean of its divisors is an integer number (910733120).

Almost surely, 2^40515143193 is an apocalyptic number.

It is an amenable number.

40515143193 is a deficient number, since it is larger than the sum of its proper divisors (32343506407).

40515143193 is an equidigital number, since it uses as much as digits as its factorization.

40515143193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47105 (or 47082 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

Adding to 40515143193 its reverse (39134151504), we get a palindrome (79649294697).

The spelling of 40515143193 in words is "forty billion, five hundred fifteen million, one hundred forty-three thousand, one hundred ninety-three".