2520813648 has 20 divisors (see below), whose sum is σ = 6512102048. Its totient is φ = 840271200.

The previous prime is 2520813643. The next prime is 2520813653. The reversal of 2520813648 is 8463180252.

It is an interprime number because it is at equal distance from previous prime (2520813643) and next prime (2520813653).

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2520813641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26258428 + ... + 26258523.

Almost surely, 2^2520813648 is an apocalyptic number.

It is an amenable number.

2520813648 is an abundant number, since it is smaller than the sum of its proper divisors (3991288400).

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

2520813648 is a wasteful number, since it uses less digits than its factorization.

2520813648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52516962 (or 52516956 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 39.

The square root of 2520813648 is about 50207.7050660553. The cubic root of 2520813648 is about 1360.9648660536.

The spelling of 2520813648 in words is "two billion, five hundred twenty million, eight hundred thirteen thousand, six hundred forty-eight".