40234240206515 has 4 divisors (see below), whose sum is σ = 48281088247824. Its totient is φ = 32187392165208.

The previous prime is 40234240206439. The next prime is 40234240206521. The reversal of 40234240206515 is 51560204243204.

40234240206515 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40234240206515 - 2²⁴ = 40234223429299 is a prime.

It is a Duffinian 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, 4023424020647 + ... + 4023424020656.

It is an arithmetic number, because the mean of its divisors is an integer number (12070272061956).

Almost surely, 2^{40234240206515} is an apocalyptic number.

40234240206515 is a deficient number, since it is larger than the sum of its proper divisors (8046848041309).

40234240206515 is an equidigital number, since it uses as much as digits as its factorization.

40234240206515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8046848041308.

The product of its (nonzero) digits is 230400, while the sum is 38.

Adding to 40234240206515 its reverse (51560204243204), we get a palindrome (91794444449719).

The spelling of 40234240206515 in words is "forty trillion, two hundred thirty-four billion, two hundred forty million, two hundred six thousand, five hundred fifteen".