2600863830 has 160 divisors (see below), whose sum is σ = 7795323360. Its totient is φ = 618347520.

The previous prime is 2600863819. The next prime is 2600863843. The reversal of 2600863830 is 383680062.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 256660 + ... + 266600.

It is an arithmetic number, because the mean of its divisors is an integer number (48720771).

Almost surely, 2^2600863830 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2600863830, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3897661680).

2600863830 is an abundant number, since it is smaller than the sum of its proper divisors (5194459530).

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

2600863830 is a wasteful number, since it uses less digits than its factorization.

2600863830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9996 (or 9987 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 2600863830 is about 50998.6649825267. The cubic root of 2600863830 is about 1375.2211355633.

The spelling of 2600863830 in words is "two billion, six hundred million, eight hundred sixty-three thousand, eight hundred thirty".