2520866634 has 32 divisors (see below), whose sum is σ = 5923157184. Its totient is φ = 705137280.

The previous prime is 2520866611. The next prime is 2520866639. The reversal of 2520866634 is 4366680252.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2520866639) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1468179 + ... + 1469894.

It is an arithmetic number, because the mean of its divisors is an integer number (185098662).

Almost surely, 2^2520866634 is an apocalyptic number.

2520866634 is an abundant number, since it is smaller than the sum of its proper divisors (3402290550).

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

2520866634 is a wasteful number, since it uses less digits than its factorization.

2520866634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2938102.

The product of its (nonzero) digits is 414720, while the sum is 42.

The square root of 2520866634 is about 50208.2327312962. The cubic root of 2520866634 is about 1360.9744015435.

The spelling of 2520866634 in words is "two billion, five hundred twenty million, eight hundred sixty-six thousand, six hundred thirty-four".