264507042540674 has 8 divisors (see below), whose sum is σ = 396767237505660. Its totient is φ = 132251296705456.

The previous prime is 264507042540649. The next prime is 264507042540709. The reversal of 264507042540674 is 476045240705462.

It can be written as a sum of positive squares in 2 ways, for example, as 258789477694225 + 5717564846449 = 16086935^2 + 2391143^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×264507042540674² (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 3 ways as a sum of consecutive naturals, for example, 1112133809 + ... + 1112371620.

Almost surely, 2^{264507042540674} is an apocalyptic number.

264507042540674 is a deficient number, since it is larger than the sum of its proper divisors (132260194964986).

264507042540674 is a wasteful number, since it uses less digits than its factorization.

264507042540674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2224564884.

The product of its (nonzero) digits is 45158400, while the sum is 56.

The spelling of 264507042540674 in words is "two hundred sixty-four trillion, five hundred seven billion, forty-two million, five hundred forty thousand, six hundred seventy-four".