2508221880 has 144 divisors (see below), whose sum is σ = 8245284840. Its totient is φ = 661267200.

The previous prime is 2508221869. The next prime is 2508221917. The reversal of 2508221880 is 881228052.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 3672019 + ... + 3672701.

Almost surely, 2^2508221880 is an apocalyptic number.

2508221880 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 2508221880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4122642420).

2508221880 is an abundant number, since it is smaller than the sum of its proper divisors (5737062960).

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

2508221880 is a wasteful number, since it uses less digits than its factorization.

2508221880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 902 (or 794 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 36.

The square root of 2508221880 is about 50082.1513116200. The cubic root of 2508221880 is about 1358.6950212851.

The spelling of 2508221880 in words is "two billion, five hundred eight million, two hundred twenty-one thousand, eight hundred eighty".