264670650 has 72 divisors (see below), whose sum is σ = 714489984. Its totient is φ = 70240800.

The previous prime is 264670631. The next prime is 264670663. The reversal of 264670650 is 56076462.

264670650 is a `hidden beast` number, since 2 + 646 + 7 + 0 + 6 + 5 + 0 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 100855 + ... + 103445.

It is an arithmetic number, because the mean of its divisors is an integer number (9923472).

Almost surely, 2^264670650 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 264670650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (357244992).

264670650 is an abundant number, since it is smaller than the sum of its proper divisors (449819334).

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

264670650 is a wasteful number, since it uses less digits than its factorization.

264670650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2836 (or 2828 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 264670650 is about 16268.7015462206. The cubic root of 264670650 is about 642.0496220415.

The spelling of 264670650 in words is "two hundred sixty-four million, six hundred seventy thousand, six hundred fifty".