40340643215 has 8 divisors (see below), whose sum is σ = 48411571968. Its totient is φ = 32270647840.

The previous prime is 40340643191. The next prime is 40340643271. The reversal of 40340643215 is 51234604304.

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

It is not a de Polignac number, because 40340643215 - 2²⁴ = 40323865999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134447 + ... + 314256.

It is an arithmetic number, because the mean of its divisors is an integer number (6051446496).

Almost surely, 2^40340643215 is an apocalyptic number.

40340643215 is a deficient number, since it is larger than the sum of its proper divisors (8070928753).

40340643215 is a wasteful number, since it uses less digits than its factorization.

40340643215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 466689.

The product of its (nonzero) digits is 34560, while the sum is 32.

The spelling of 40340643215 in words is "forty billion, three hundred forty million, six hundred forty-three thousand, two hundred fifteen".