2321424240 has 80 divisors (see below), whose sum is σ = 7209979008. Its totient is φ = 617879808.

The previous prime is 2321424233. The next prime is 2321424251. The reversal of 2321424240 is 424241232.

2321424240 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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 (24).

It is a self number, because there is not a number n which added to its sum of digits gives 2321424240.

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, 122439 + ... + 140121.

Almost surely, 2^2321424240 is an apocalyptic number.

2321424240 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 2321424240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3604989504).

2321424240 is an abundant number, since it is smaller than the sum of its proper divisors (4888554768).

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

2321424240 is a wasteful number, since it uses less digits than its factorization.

2321424240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18246 (or 18240 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 2321424240 is about 48181.1606335920. The cubic root of 2321424240 is about 1324.0920306112.

Adding to 2321424240 its reverse (424241232), we get a palindrome (2745665472).

The spelling of 2321424240 in words is "two billion, three hundred twenty-one million, four hundred twenty-four thousand, two hundred forty".