2642257244 has 48 divisors (see below), whose sum is σ = 5084142336. Its totient is φ = 1191590400.

The previous prime is 2642257217. The next prime is 2642257253. The reversal of 2642257244 is 4427522462.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 2642257198 and 2642257207.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 4830179 + ... + 4830725.

It is an arithmetic number, because the mean of its divisors is an integer number (105919632).

Almost surely, 2^2642257244 is an apocalyptic number.

It is an amenable number.

2642257244 is a deficient number, since it is larger than the sum of its proper divisors (2441885092).

2642257244 is a wasteful number, since it uses less digits than its factorization.

2642257244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1226 (or 1224 counting only the distinct ones).

The product of its digits is 215040, while the sum is 38.

The square root of 2642257244 is about 51402.8913972745. The cubic root of 2642257244 is about 1382.4784355937.

The spelling of 2642257244 in words is "two billion, six hundred forty-two million, two hundred fifty-seven thousand, two hundred forty-four".