2671111380 has 48 divisors (see below), whose sum is σ = 8547557760. Its totient is φ = 610539648.

The previous prime is 2671111361. The next prime is 2671111403. The reversal of 2671111380 is 831111762.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3179475 + ... + 3180314.

It is an arithmetic number, because the mean of its divisors is an integer number (178074120).

Almost surely, 2^2671111380 is an apocalyptic number.

2671111380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2671111380 is an abundant number, since it is smaller than the sum of its proper divisors (5876446380).

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

2671111380 is a wasteful number, since it uses less digits than its factorization.

2671111380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6359808 (or 6359806 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 30.

The square root of 2671111380 is about 51682.7957835100. The cubic root of 2671111380 is about 1387.4925690699.

The spelling of 2671111380 in words is "two billion, six hundred seventy-one million, one hundred eleven thousand, three hundred eighty".