2440656215243 has 8 divisors (see below), whose sum is σ = 2519429391360. Its totient is φ = 2361885684840.

The previous prime is 2440656215233. The next prime is 2440656215269. The reversal of 2440656215243 is 3425126560442.

It is a happy number.

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 2440656215243 - 2²⁸ = 2440387779787 is a prime.

It is a super-2 number, since 2×2440656215243² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2440656215194 and 2440656215203.

It is not an unprimeable number, because it can be changed into a prime (2440656215213) 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 7 ways as a sum of consecutive naturals, for example, 1306298 + ... + 2566656.

It is an arithmetic number, because the mean of its divisors is an integer number (314928673920).

Almost surely, 2^{2440656215243} is an apocalyptic number.

2440656215243 is a deficient number, since it is larger than the sum of its proper divisors (78773176117).

2440656215243 is a wasteful number, since it uses less digits than its factorization.

2440656215243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1322857.

The product of its (nonzero) digits is 1382400, while the sum is 44.

The spelling of 2440656215243 in words is "two trillion, four hundred forty billion, six hundred fifty-six million, two hundred fifteen thousand, two hundred forty-three".