2124254040 has 96 divisors (see below), whose sum is σ = 6769792080. Its totient is φ = 533137408.

The previous prime is 2124254029. The next prime is 2124254081. The reversal of 2124254040 is 404524212.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 2124254040.

It is a congruent number.

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, 4054 + ... + 65306.

Almost surely, 2^2124254040 is an apocalyptic number.

2124254040 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 2124254040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3384896040).

2124254040 is an abundant number, since it is smaller than the sum of its proper divisors (4645538040).

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

2124254040 is a wasteful number, since it uses less digits than its factorization.

2124254040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61301 (or 61280 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 24.

The square root of 2124254040 is about 46089.6305040516. The cubic root of 2124254040 is about 1285.4903406076.

Adding to 2124254040 its reverse (404524212), we get a palindrome (2528778252).

The spelling of 2124254040 in words is "two billion, one hundred twenty-four million, two hundred fifty-four thousand, forty".