2440220331265 has 16 divisors (see below), whose sum is σ = 3043640513088. Its totient is φ = 1876530217536.

The previous prime is 2440220331257. The next prime is 2440220331349. The reversal of 2440220331265 is 5621330220442.

It is a cyclic number.

It is not a de Polignac number, because 2440220331265 - 2³ = 2440220331257 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 2440220331265.

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 15 ways as a sum of consecutive naturals, for example, 79444767 + ... + 79475476.

It is an arithmetic number, because the mean of its divisors is an integer number (190227532068).

Almost surely, 2^{2440220331265} is an apocalyptic number.

It is an amenable number.

2440220331265 is a deficient number, since it is larger than the sum of its proper divisors (603420181823).

2440220331265 is a wasteful number, since it uses less digits than its factorization.

2440220331265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158920368.

The product of its (nonzero) digits is 69120, while the sum is 34.

The spelling of 2440220331265 in words is "two trillion, four hundred forty billion, two hundred twenty million, three hundred thirty-one thousand, two hundred sixty-five".