264085650 has 192 divisors, whose sum is σ = 793877760. Its totient is φ = 64281600.

The previous prime is 264085649. The next prime is 264085673. The reversal of 264085650 is 56580462.

264085650 is a `hidden beast` number, since 2 + 640 + 8 + 5 + 6 + 5 + 0 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 848995 + ... + 849305.

It is an arithmetic number, because the mean of its divisors is an integer number (4134780).

Almost surely, 2^264085650 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 264085650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (396938880).

264085650 is an abundant number, since it is smaller than the sum of its proper divisors (529792110).

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

264085650 is a wasteful number, since it uses less digits than its factorization.

264085650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386 (or 375 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The square root of 264085650 is about 16250.7122920812. The cubic root of 264085650 is about 641.5762335777.

The spelling of 264085650 in words is "two hundred sixty-four million, eighty-five thousand, six hundred fifty".