40646240515 has 8 divisors (see below), whose sum is σ = 48781919520. Its totient is φ = 32512705152.

The previous prime is 40646240497. The next prime is 40646240539. The reversal of 40646240515 is 51504264604.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40646240515 - 2²¹ = 40644143363 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 493894 + ... + 570283.

It is an arithmetic number, because the mean of its divisors is an integer number (6097739940).

Almost surely, 2^40646240515 is an apocalyptic number.

40646240515 is a deficient number, since it is larger than the sum of its proper divisors (8135679005).

40646240515 is a wasteful number, since it uses less digits than its factorization.

40646240515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1071821.

The product of its (nonzero) digits is 115200, while the sum is 37.

The spelling of 40646240515 in words is "forty billion, six hundred forty-six million, two hundred forty thousand, five hundred fifteen".