2340820064644 has 12 divisors (see below), whose sum is σ = 4101317640000. Its totient is φ = 1169015024648.

The previous prime is 2340820064641. The next prime is 2340820064699. The reversal of 2340820064644 is 4464600280432.

It is a self number, because there is not a number n which added to its sum of digits gives 2340820064644.

It is not an unprimeable number, because it can be changed into a prime (2340820064641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 348748144 + ... + 348754855.

It is an arithmetic number, because the mean of its divisors is an integer number (341776470000).

Almost surely, 2^{2340820064644} is an apocalyptic number.

It is an amenable number.

2340820064644 is a deficient number, since it is larger than the sum of its proper divisors (1760497575356).

2340820064644 is a wasteful number, since it uses less digits than its factorization.

2340820064644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 697503842 (or 697503840 counting only the distinct ones).

The product of its (nonzero) digits is 884736, while the sum is 43.

The spelling of 2340820064644 in words is "two trillion, three hundred forty billion, eight hundred twenty million, sixty-four thousand, six hundred forty-four".