2421826128 has 50 divisors (see below), whose sum is σ = 7009471194. Its totient is φ = 807274944.

The previous prime is 2421826097. The next prime is 2421826181. The reversal of 2421826128 is 8216281242.

2421826128 is a `hidden beast` number, since 24 + 2 + 18 + 2 + 612 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2421820944 + 5184 = 49212^2 + 72^2 .

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

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 2421826092 and 2421826101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 933051 + ... + 935642.

Almost surely, 2^2421826128 is an apocalyptic number.

It is an amenable number.

2421826128 is an abundant number, since it is smaller than the sum of its proper divisors (4587645066).

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

2421826128 is a wasteful number, since it uses less digits than its factorization.

2421826128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1868713 (or 1868698 counting only the distinct ones).

The product of its digits is 24576, while the sum is 36.

The square root of 2421826128 is about 49212.0526700523. The cubic root of 2421826128 is about 1342.9123055569.

The spelling of 2421826128 in words is "two billion, four hundred twenty-one million, eight hundred twenty-six thousand, one hundred twenty-eight".