264440662064 has 10 divisors (see below), whose sum is σ = 512353782780. Its totient is φ = 132220331024.

The previous prime is 264440662061. The next prime is 264440662069. The reversal of 264440662064 is 460266044462.

It is not an unprimeable number, because it can be changed into a prime (264440662061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8263770674 + ... + 8263770705.

It is an arithmetic number, because the mean of its divisors is an integer number (51235378278).

Almost surely, 2^264440662064 is an apocalyptic number.

It is an amenable number.

264440662064 is a deficient number, since it is larger than the sum of its proper divisors (247913120716).

264440662064 is a wasteful number, since it uses less digits than its factorization.

264440662064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16527541387 (or 16527541381 counting only the distinct ones).

The product of its (nonzero) digits is 1327104, while the sum is 44.

The spelling of 264440662064 in words is "two hundred sixty-four billion, four hundred forty million, six hundred sixty-two thousand, sixty-four".