2881622140 has 12 divisors (see below), whose sum is σ = 6051406536. Its totient is φ = 1152648848.

The previous prime is 2881622131. The next prime is 2881622171. The reversal of 2881622140 is 412261882.

It is a junction number, because it is equal to n+sod(n) for n = 2881622096 and 2881622105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72040534 + ... + 72040573.

It is an arithmetic number, because the mean of its divisors is an integer number (504283878).

Almost surely, 2^2881622140 is an apocalyptic number.

2881622140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2881622140 is an abundant number, since it is smaller than the sum of its proper divisors (3169784396).

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

2881622140 is a wasteful number, since it uses less digits than its factorization.

2881622140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144081116 (or 144081114 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 34.

The square root of 2881622140 is about 53680.7427295860. The cubic root of 2881622140 is about 1423.0243910544.

The spelling of 2881622140 in words is "two billion, eight hundred eighty-one million, six hundred twenty-two thousand, one hundred forty".