264440006260 has 12 divisors (see below), whose sum is σ = 555324013188. Its totient is φ = 105776002496.

The previous prime is 264440006249. The next prime is 264440006261. The reversal of 264440006260 is 62600044462.

It can be written as a sum of positive squares in 2 ways, for example, as 144032394256 + 120407612004 = 379516^2 + 346998^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (264440006261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6611000137 + ... + 6611000176.

It is an arithmetic number, because the mean of its divisors is an integer number (46277001099).

Almost surely, 2^264440006260 is an apocalyptic number.

264440006260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

264440006260 is an abundant number, since it is smaller than the sum of its proper divisors (290884006928).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

264440006260 is a wasteful number, since it uses less digits than its factorization.

264440006260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13222000322 (or 13222000320 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 34.

The spelling of 264440006260 in words is "two hundred sixty-four billion, four hundred forty million, six thousand, two hundred sixty".