2128043484 has 72 divisors (see below), whose sum is σ = 6346016768. Its totient is φ = 588396960.

The previous prime is 2128043483. The next prime is 2128043501. The reversal of 2128043484 is 4843408212.

2128043484 is a `hidden beast` number, since 212 + 8 + 0 + 434 + 8 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2128043483) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 128392 + ... + 144015.

Almost surely, 2^2128043484 is an apocalyptic number.

It is an amenable number.

2128043484 is an abundant number, since it is smaller than the sum of its proper divisors (4217973284).

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

2128043484 is a wasteful number, since it uses less digits than its factorization.

2128043484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272455 (or 272450 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 36.

The square root of 2128043484 is about 46130.7216938994. The cubic root of 2128043484 is about 1286.2542793535.

The spelling of 2128043484 in words is "two billion, one hundred twenty-eight million, forty-three thousand, four hundred eighty-four".