264401021324674 has 16 divisors (see below), whose sum is σ = 427849566327288. Its totient is φ = 121819747986432.

The previous prime is 264401021324639. The next prime is 264401021324719. The reversal of 264401021324674 is 476423120104462.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 264217060110025 + 183961214649 = 16254755^2 + 428907^2 .

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, 8812177417 + ... + 8812207420.

Almost surely, 2^{264401021324674} is an apocalyptic number.

264401021324674 is a deficient number, since it is larger than the sum of its proper divisors (163448545002614).

264401021324674 is a wasteful number, since it uses less digits than its factorization.

264401021324674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17624385429.

The product of its (nonzero) digits is 1548288, while the sum is 46.

The spelling of 264401021324674 in words is "two hundred sixty-four trillion, four hundred one billion, twenty-one million, three hundred twenty-four thousand, six hundred seventy-four".