2508505328 has 40 divisors (see below), whose sum is σ = 5624878080. Its totient is φ = 1061461440.

The previous prime is 2508505303. The next prime is 2508505357. The reversal of 2508505328 is 8235058052.

It is a junction number, because it is equal to n+sod(n) for n = 2508505291 and 2508505300.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132908 + ... + 150603.

It is an arithmetic number, because the mean of its divisors is an integer number (140621952).

Almost surely, 2^2508505328 is an apocalyptic number.

2508505328 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2508505328 is an abundant number, since it is smaller than the sum of its proper divisors (3116372752).

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

2508505328 is a wasteful number, since it uses less digits than its factorization.

2508505328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283605 (or 283599 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 38.

The square root of 2508505328 is about 50084.9810621907. The cubic root of 2508505328 is about 1358.7462002875.

The spelling of 2508505328 in words is "two billion, five hundred eight million, five hundred five thousand, three hundred twenty-eight".