6400727211244 has 12 divisors (see below), whose sum is σ = 11412617386464. Its totient is φ = 3139979386544.

The previous prime is 6400727211227. The next prime is 6400727211257. The reversal of 6400727211244 is 4421127270046.

It is a junction number, because it is equal to n+sod(n) for n = 6400727211197 and 6400727211206.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15096054532 + ... + 15096054955.

It is an arithmetic number, because the mean of its divisors is an integer number (951051448872).

Almost surely, 2^{6400727211244} is an apocalyptic number.

It is an amenable number.

6400727211244 is a deficient number, since it is larger than the sum of its proper divisors (5011890175220).

6400727211244 is a wasteful number, since it uses less digits than its factorization.

6400727211244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30192109544 (or 30192109542 counting only the distinct ones).

The product of its (nonzero) digits is 150528, while the sum is 40.

The spelling of 6400727211244 in words is "six trillion, four hundred billion, seven hundred twenty-seven million, two hundred eleven thousand, two hundred forty-four".