264412440643336 has 32 divisors (see below), whose sum is σ = 497580595424280. Its totient is φ = 131724363097600.

The previous prime is 264412440643301. The next prime is 264412440643369. The reversal of 264412440643336 is 633346044214462.

It can be written as a sum of positive squares in 4 ways, for example, as 256980328727236 + 7432111916100 = 16030606^2 + 2726190^2 .

It is a super-2 number, since 2×264412440643336² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20998866 + ... + 31141246.

Almost surely, 2^{264412440643336} is an apocalyptic number.

It is an amenable number.

264412440643336 is a deficient number, since it is larger than the sum of its proper divisors (233168154780944).

264412440643336 is a wasteful number, since it uses less digits than its factorization.

264412440643336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10154265 (or 10154261 counting only the distinct ones).

The product of its (nonzero) digits is 23887872, while the sum is 52.

Adding to 264412440643336 its reverse (633346044214462), we get a palindrome (897758484857798).

The spelling of 264412440643336 in words is "two hundred sixty-four trillion, four hundred twelve billion, four hundred forty million, six hundred forty-three thousand, three hundred thirty-six".