2667723128 has 32 divisors (see below), whose sum is σ = 5719359360. Its totient is φ = 1142748000.

The previous prime is 2667723109. The next prime is 2667723131. The reversal of 2667723128 is 8213277662.

It is a super-2 number, since 2×2667723128² = 14233493375332208768, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115475 + ... + 136637.

It is an arithmetic number, because the mean of its divisors is an integer number (178729980).

Almost surely, 2^2667723128 is an apocalyptic number.

2667723128 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2667723128 is an abundant number, since it is smaller than the sum of its proper divisors (3051636232).

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

2667723128 is a wasteful number, since it uses less digits than its factorization.

2667723128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23427 (or 23423 counting only the distinct ones).

The product of its digits is 338688, while the sum is 44.

The square root of 2667723128 is about 51650.0060793801. The cubic root of 2667723128 is about 1386.9056518673.

The spelling of 2667723128 in words is "two billion, six hundred sixty-seven million, seven hundred twenty-three thousand, one hundred twenty-eight".