40121736035013 has 8 divisors (see below), whose sum is σ = 59439608940800. Its totient is φ = 26747824023324.

The previous prime is 40121736034967. The next prime is 40121736035041. The reversal of 40121736035013 is 31053063712104.

40121736035013 is a `hidden beast` number, since 4 + 0 + 1 + 21 + 73 + 60 + 3 + 501 + 3 = 666.

It is not a de Polignac number, because 40121736035013 - 2¹² = 40121736030917 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40121736035113) 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, 742995111733 + ... + 742995111786.

It is an arithmetic number, because the mean of its divisors is an integer number (7429951117600).

Almost surely, 2^{40121736035013} is an apocalyptic number.

It is an amenable number.

40121736035013 is a deficient number, since it is larger than the sum of its proper divisors (19317872905787).

40121736035013 is a wasteful number, since it uses less digits than its factorization.

40121736035013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1485990223528 (or 1485990223522 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

Adding to 40121736035013 its reverse (31053063712104), we get a palindrome (71174799747117).

The spelling of 40121736035013 in words is "forty trillion, one hundred twenty-one billion, seven hundred thirty-six million, thirty-five thousand, thirteen".