2543708880 has 160 divisors (see below), whose sum is σ = 8975675520. Its totient is φ = 661754880.

The previous prime is 2543708863. The next prime is 2543708939. The reversal of 2543708880 is 888073452.

It is a Harshad number since it is a multiple of its sum of digits (45).

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, 74199 + ... + 102921.

It is an arithmetic number, because the mean of its divisors is an integer number (56097972).

Almost surely, 2^2543708880 is an apocalyptic number.

2543708880 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 2543708880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4487837760).

2543708880 is an abundant number, since it is smaller than the sum of its proper divisors (6431966640).

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

2543708880 is a wasteful number, since it uses less digits than its factorization.

2543708880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28786 (or 28774 counting only the distinct ones).

The product of its (nonzero) digits is 430080, while the sum is 45.

The square root of 2543708880 is about 50435.1948543871. The cubic root of 2543708880 is about 1365.0727651102.

The spelling of 2543708880 in words is "two billion, five hundred forty-three million, seven hundred eight thousand, eight hundred eighty".