2124246636 has 72 divisors (see below), whose sum is σ = 5567955120. Its totient is φ = 682045056.

The previous prime is 2124246629. The next prime is 2124246671. The reversal of 2124246636 is 6366424212.

2124246636 is a `hidden beast` number, since 2 + 12 + 4 + 2 + 4 + 6 + 636 = 666.

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 self number, because there is not a number n which added to its sum of digits gives 2124246636.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 485370 + ... + 489726.

It is an arithmetic number, because the mean of its divisors is an integer number (77332710).

Almost surely, 2^2124246636 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2124246636, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2783977560).

2124246636 is an abundant number, since it is smaller than the sum of its proper divisors (3443708484).

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

2124246636 is a wasteful number, since it uses less digits than its factorization.

2124246636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4863 (or 4858 counting only the distinct ones).

The product of its digits is 82944, while the sum is 36.

The square root of 2124246636 is about 46089.5501822268. The cubic root of 2124246636 is about 1285.4888470980.

The spelling of 2124246636 in words is "two billion, one hundred twenty-four million, two hundred forty-six thousand, six hundred thirty-six".