2124032240 has 80 divisors (see below), whose sum is σ = 5489086176. Its totient is φ = 757785600.

The previous prime is 2124032233. The next prime is 2124032263. The reversal of 2124032240 is 422304212.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23870 + ... + 69410.

Almost surely, 2^2124032240 is an apocalyptic number.

2124032240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2124032240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2744543088).

2124032240 is an abundant number, since it is smaller than the sum of its proper divisors (3365053936).

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

2124032240 is a wasteful number, since it uses less digits than its factorization.

2124032240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45618 (or 45612 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 2124032240 is about 46087.2242600919. The cubic root of 2124032240 is about 1285.4455983630.

Adding to 2124032240 its reverse (422304212), we get a palindrome (2546336452).

The spelling of 2124032240 in words is "two billion, one hundred twenty-four million, thirty-two thousand, two hundred forty".