2520858816 has 84 divisors (see below), whose sum is σ = 8257826512. Its totient is φ = 720244224.

The previous prime is 2520858731. The next prime is 2520858817. The reversal of 2520858816 is 6188580252.

2520858816 is a `hidden beast` number, since 2 + 52 + 0 + 8 + 588 + 16 = 666.

It is a tau number, because it is divible by the number of its divisors (84).

It is not an unprimeable number, because it can be changed into a prime (2520858817) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 308575 + ... + 316638.

Almost surely, 2^2520858816 is an apocalyptic number.

It is an amenable number.

2520858816 is an abundant number, since it is smaller than the sum of its proper divisors (5736967696).

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

2520858816 is a wasteful number, since it uses less digits than its factorization.

2520858816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 625238 (or 625225 counting only the distinct ones).

The product of its (nonzero) digits is 307200, while the sum is 45.

The square root of 2520858816 is about 50208.1548754781. The cubic root of 2520858816 is about 1360.9729946056.

The spelling of 2520858816 in words is "two billion, five hundred twenty million, eight hundred fifty-eight thousand, eight hundred sixteen".