264375722656 has 24 divisors (see below), whose sum is σ = 520569208404. Its totient is φ = 132167669760.

The previous prime is 264375722603. The next prime is 264375722797. The reversal of 264375722656 is 656227573462.

It is a happy number.

264375722656 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 263698682256 + 677040400 = 513516^2 + 26020^2 .

It is a junction number, because it is equal to n+sod(n) for n = 264375722597 and 264375722606.

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, 417105 + ... + 838288.

Almost surely, 2^264375722656 is an apocalyptic number.

It is an amenable number.

264375722656 is a deficient number, since it is larger than the sum of its proper divisors (256193485748).

264375722656 is a wasteful number, since it uses less digits than its factorization.

264375722656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1261984 (or 1261976 counting only the distinct ones).

The product of its digits is 25401600, while the sum is 55.

The spelling of 264375722656 in words is "two hundred sixty-four billion, three hundred seventy-five million, seven hundred twenty-two thousand, six hundred fifty-six".