2423132640 has 144 divisors (see below), whose sum is σ = 8284964688. Its totient is φ = 644917248.

The previous prime is 2423132629. The next prime is 2423132641. The reversal of 2423132640 is 462313242.

2423132640 is a `hidden beast` number, since 2 + 4 + 2 + 3 + 13 + 2 + 640 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2423132641) 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, 924612 + ... + 927228.

It is an arithmetic number, because the mean of its divisors is an integer number (57534477).

Almost surely, 2^2423132640 is an apocalyptic number.

2423132640 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 2423132640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4142482344).

2423132640 is an abundant number, since it is smaller than the sum of its proper divisors (5861832048).

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

2423132640 is a wasteful number, since it uses less digits than its factorization.

2423132640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3281 (or 3270 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

The square root of 2423132640 is about 49225.3251893779. The cubic root of 2423132640 is about 1343.1537508598.

Adding to 2423132640 its reverse (462313242), we get a palindrome (2885445882).

The spelling of 2423132640 in words is "two billion, four hundred twenty-three million, one hundred thirty-two thousand, six hundred forty".