264332536 has 64 divisors (see below), whose sum is σ = 555448320. Its totient is φ = 117106560.

The previous prime is 264332533. The next prime is 264332543. The reversal of 264332536 is 635233462.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (264332531) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 525261 + ... + 525763.

It is an arithmetic number, because the mean of its divisors is an integer number (8678880).

Almost surely, 2^264332536 is an apocalyptic number.

264332536 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 264332536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (277724160).

264332536 is an abundant number, since it is smaller than the sum of its proper divisors (291115784).

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

264332536 is a wasteful number, since it uses less digits than its factorization.

264332536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 716 (or 712 counting only the distinct ones).

The product of its digits is 77760, while the sum is 34.

The square root of 264332536 is about 16258.3066768960. The cubic root of 264332536 is about 641.7761016326.

Adding to 264332536 its reverse (635233462), we get a palindrome (899565998).

The spelling of 264332536 in words is "two hundred sixty-four million, three hundred thirty-two thousand, five hundred thirty-six".