2128267708 has 12 divisors (see below), whose sum is σ = 4256535472. Its totient is φ = 912114720.

The previous prime is 2128267697. The next prime is 2128267709. The reversal of 2128267708 is 8077628212.

2128267708 is an admirable number.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2128267709) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38004753 + ... + 38004808.

Almost surely, 2^2128267708 is an apocalyptic number.

2128267708 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2128267708 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2128267708 is a wasteful number, since it uses less digits than its factorization.

2128267708 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76009572 (or 76009570 counting only the distinct ones).

The product of its (nonzero) digits is 150528, while the sum is 43.

The square root of 2128267708 is about 46133.1519408765. The cubic root of 2128267708 is about 1286.2994537046.

The spelling of 2128267708 in words is "two billion, one hundred twenty-eight million, two hundred sixty-seven thousand, seven hundred eight".