264887064 has 256 divisors, whose sum is σ = 870912000. Its totient is φ = 73820160.

The previous prime is 264887059. The next prime is 264887087. The reversal of 264887064 is 460788462.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1479727 + ... + 1479905.

It is an arithmetic number, because the mean of its divisors is an integer number (3402000).

Almost surely, 2^264887064 is an apocalyptic number.

264887064 is a gapful number since it is divisible by the number (24) 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 264887064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (435456000).

264887064 is an abundant number, since it is smaller than the sum of its proper divisors (606024936).

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

264887064 is a wasteful number, since it uses less digits than its factorization.

264887064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255 (or 245 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 45.

The square root of 264887064 is about 16275.3514247773. The cubic root of 264887064 is about 642.2245698778.

The spelling of 264887064 in words is "two hundred sixty-four million, eight hundred eighty-seven thousand, sixty-four".