2868203520 has 1040 divisors, whose sum is σ = 13320531840. Its totient is φ = 573308928.

The previous prime is 2868203519. The next prime is 2868203537. The reversal of 2868203520 is 253028682.

2868203520 is a `hidden beast` number, since 286 + 8 + 20 + 352 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (1040).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a zygodrome in base 4.

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, 150958071 + ... + 150958089.

Almost surely, 2^2868203520 is an apocalyptic number.

2868203520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2868203520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6660265920).

2868203520 is an abundant number, since it is smaller than the sum of its proper divisors (10452328320).

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

2868203520 is a wasteful number, since it uses less digits than its factorization.

2868203520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80 (or 49 counting only the distinct ones).

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

The square root of 2868203520 is about 53555.6114706946. The cubic root of 2868203520 is about 1420.8121255357.

The spelling of 2868203520 in words is "two billion, eight hundred sixty-eight million, two hundred three thousand, five hundred twenty".