2520626868 has 72 divisors (see below), whose sum is σ = 6776253120. Its totient is φ = 787760640.

The previous prime is 2520626803. The next prime is 2520626869. The reversal of 2520626868 is 8686260252.

2520626868 is a `hidden beast` number, since 2 + 520 + 6 + 2 + 68 + 68 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2520626869) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 47353 + ... + 85343.

Almost surely, 2^2520626868 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2520626868, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3388126560).

2520626868 is an abundant number, since it is smaller than the sum of its proper divisors (4255626252).

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

2520626868 is a wasteful number, since it uses less digits than its factorization.

2520626868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38117 (or 38112 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 45.

The square root of 2520626868 is about 50205.8449585305. The cubic root of 2520626868 is about 1360.9312516032.

The spelling of 2520626868 in words is "two billion, five hundred twenty million, six hundred twenty-six thousand, eight hundred sixty-eight".