264504651046544 has 10 divisors (see below), whose sum is σ = 512477761402710. Its totient is φ = 132252325523264.

The previous prime is 264504651046541. The next prime is 264504651046549. The reversal of 264504651046544 is 445640156405462.

It can be written as a sum of positive squares in only one way, i.e., 262582579360000 + 1922071686544 = 16204400^2 + 1386388^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 264504651046544.

It is not an unprimeable number, because it can be changed into a prime (264504651046541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8265770345189 + ... + 8265770345220.

It is an arithmetic number, because the mean of its divisors is an integer number (51247776140271).

Almost surely, 2^{264504651046544} is an apocalyptic number.

It is an amenable number.

264504651046544 is a deficient number, since it is larger than the sum of its proper divisors (247973110356166).

264504651046544 is a wasteful number, since it uses less digits than its factorization.

264504651046544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16531540690417 (or 16531540690411 counting only the distinct ones).

The product of its (nonzero) digits is 55296000, while the sum is 56.

The spelling of 264504651046544 in words is "two hundred sixty-four trillion, five hundred four billion, six hundred fifty-one million, forty-six thousand, five hundred forty-four".