40013340015 has 16 divisors (see below), whose sum is σ = 69841466496. Its totient is φ = 19400407200.

The previous prime is 40013340001. The next prime is 40013340019. The reversal of 40013340015 is 51004331004.

It is not a de Polignac number, because 40013340015 - 2¹² = 40013335919 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40013339973 and 40013340000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40013340019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 121252381 + ... + 121252710.

It is an arithmetic number, because the mean of its divisors is an integer number (4365091656).

Almost surely, 2^40013340015 is an apocalyptic number.

40013340015 is a deficient number, since it is larger than the sum of its proper divisors (29828126481).

40013340015 is a wasteful number, since it uses less digits than its factorization.

40013340015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242505110.

The product of its (nonzero) digits is 720, while the sum is 21.

Adding to 40013340015 its reverse (51004331004), we get a palindrome (91017671019).

The spelling of 40013340015 in words is "forty billion, thirteen million, three hundred forty thousand, fifteen".