2818881080 has 32 divisors (see below), whose sum is σ = 6388124400. Its totient is φ = 1119438336.

The previous prime is 2818881073. The next prime is 2818881083. The reversal of 2818881080 is 801888182.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2818881083) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 247937 + ... + 259056.

Almost surely, 2^2818881080 is an apocalyptic number.

2818881080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2818881080 is an abundant number, since it is smaller than the sum of its proper divisors (3569243320).

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

2818881080 is a wasteful number, since it uses less digits than its factorization.

2818881080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 507143 (or 507139 counting only the distinct ones).

The product of its (nonzero) digits is 65536, while the sum is 44.

The square root of 2818881080 is about 53093.1359028641. The cubic root of 2818881080 is about 1412.6207616490.

The spelling of 2818881080 in words is "two billion, eight hundred eighteen million, eight hundred eighty-one thousand, eighty".