2508538620 has 96 divisors (see below), whose sum is σ = 8042485248. Its totient is φ = 572297472.

The previous prime is 2508538619. The next prime is 2508538651. The reversal of 2508538620 is 268358052.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 228579 + ... + 239301.

It is an arithmetic number, because the mean of its divisors is an integer number (83775888).

Almost surely, 2^2508538620 is an apocalyptic number.

2508538620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2508538620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4021242624).

2508538620 is an abundant number, since it is smaller than the sum of its proper divisors (5533946628).

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

2508538620 is a wasteful number, since it uses less digits than its factorization.

2508538620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11299 (or 11297 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 39.

The square root of 2508538620 is about 50085.3134162101. The cubic root of 2508538620 is about 1358.7522111947.

The spelling of 2508538620 in words is "two billion, five hundred eight million, five hundred thirty-eight thousand, six hundred twenty".