264404242504550 has 24 divisors (see below), whose sum is σ = 507656145611712. Its totient is φ = 102350029356000.

The previous prime is 264404242504433. The next prime is 264404242504561. The reversal of 264404242504550 is 55405242404462.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 264404242504495 and 264404242504504.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 85291689581 + ... + 85291692680.

It is an arithmetic number, because the mean of its divisors is an integer number (21152339400488).

Almost surely, 2^{264404242504550} is an apocalyptic number.

264404242504550 is a deficient number, since it is larger than the sum of its proper divisors (243251903107162).

264404242504550 is a wasteful number, since it uses less digits than its factorization.

264404242504550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170583382304 (or 170583382299 counting only the distinct ones).

The product of its (nonzero) digits is 6144000, while the sum is 47.

The spelling of 264404242504550 in words is "two hundred sixty-four trillion, four hundred four billion, two hundred forty-two million, five hundred four thousand, five hundred fifty".