264808205850 has 48 divisors (see below), whose sum is σ = 662536112832. Its totient is φ = 69990600960.

The previous prime is 264808205843. The next prime is 264808205861. The reversal of 264808205850 is 58502808462.

It is a happy number.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 264808205850.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7794502 + ... + 7828401.

It is an arithmetic number, because the mean of its divisors is an integer number (13802835684).

Almost surely, 2^264808205850 is an apocalyptic number.

264808205850 is an abundant number, since it is smaller than the sum of its proper divisors (397727906982).

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

264808205850 is a wasteful number, since it uses less digits than its factorization.

264808205850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15623031 (or 15623026 counting only the distinct ones).

The product of its (nonzero) digits is 1228800, while the sum is 48.

The spelling of 264808205850 in words is "two hundred sixty-four billion, eight hundred eight million, two hundred five thousand, eight hundred fifty".