40347661530215 has 32 divisors (see below), whose sum is σ = 54655510383936. Its totient is φ = 28392472765440.

The previous prime is 40347661530149. The next prime is 40347661530217. The reversal of 40347661530215 is 51203516674304.

It is not a de Polignac number, because 40347661530215 - 2¹⁸ = 40347661268071 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40347661530215.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40347661530217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 175930004 + ... + 176159193.

It is an arithmetic number, because the mean of its divisors is an integer number (1707984699498).

Almost surely, 2^{40347661530215} is an apocalyptic number.

40347661530215 is a deficient number, since it is larger than the sum of its proper divisors (14307848853721).

40347661530215 is a wasteful number, since it uses less digits than its factorization.

40347661530215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352089299.

The product of its (nonzero) digits is 1814400, while the sum is 47.

The spelling of 40347661530215 in words is "forty trillion, three hundred forty-seven billion, six hundred sixty-one million, five hundred thirty thousand, two hundred fifteen".