2500510782 has 128 divisors (see below), whose sum is σ = 6347870208. Its totient is φ = 637862400.

The previous prime is 2500510777. The next prime is 2500510783. The reversal of 2500510782 is 2870150052.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2500510783) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 11015353 + ... + 11015579.

It is an arithmetic number, because the mean of its divisors is an integer number (49592736).

Almost surely, 2^2500510782 is an apocalyptic number.

2500510782 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 2500510782, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3173935104).

2500510782 is an abundant number, since it is smaller than the sum of its proper divisors (3847359426).

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

2500510782 is a wasteful number, since it uses less digits than its factorization.

2500510782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 574.

The product of its (nonzero) digits is 5600, while the sum is 30.

The square root of 2500510782 is about 50005.1075591284. The cubic root of 2500510782 is about 1357.3012337138.

The spelling of 2500510782 in words is "two billion, five hundred million, five hundred ten thousand, seven hundred eighty-two".