2644268572 has 12 divisors (see below), whose sum is σ = 5048149176. Its totient is φ = 1201940240.

The previous prime is 2644268569. The next prime is 2644268593. The reversal of 2644268572 is 2758624462.

2644268572 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 30048463 + ... + 30048550.

It is an arithmetic number, because the mean of its divisors is an integer number (420679098).

Almost surely, 2^2644268572 is an apocalyptic number.

2644268572 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2644268572 is a deficient number, since it is larger than the sum of its proper divisors (2403880604).

2644268572 is a wasteful number, since it uses less digits than its factorization.

2644268572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60097028 (or 60097026 counting only the distinct ones).

The product of its digits is 1290240, while the sum is 46.

The square root of 2644268572 is about 51422.4520224386. The cubic root of 2644268572 is about 1382.8291347723.

It can be divided in two parts, 2644 and 268572, that added together give a triangular number (271216 = T₇₃₆).

The spelling of 2644268572 in words is "two billion, six hundred forty-four million, two hundred sixty-eight thousand, five hundred seventy-two".