264805038 has 80 divisors (see below), whose sum is σ = 622431744. Its totient is φ = 84039120.

The previous prime is 264805027. The next prime is 264805043. The reversal of 264805038 is 830508462.

264805038 is a `hidden beast` number, since 2 + 648 + 0 + 5 + 0 + 3 + 8 = 666.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 264804993 and 264805011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 336081 + ... + 336867.

Almost surely, 2^264805038 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 264805038, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (311215872).

264805038 is an abundant number, since it is smaller than the sum of its proper divisors (357626706).

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

264805038 is a wasteful number, since it uses less digits than its factorization.

264805038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 899 (or 890 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 264805038 is about 16272.8312840759. The cubic root of 264805038 is about 642.1582717477.

The spelling of 264805038 in words is "two hundred sixty-four million, eight hundred five thousand, thirty-eight".