2421523240 has 16 divisors (see below), whose sum is σ = 5448427380. Its totient is φ = 968609280.

The previous prime is 2421523219. The next prime is 2421523259. The reversal of 2421523240 is 423251242.

It can be written as a sum of positive squares in 2 ways, for example, as 2373053796 + 48469444 = 48714^2 + 6962^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30269001 + ... + 30269080.

Almost surely, 2^2421523240 is an apocalyptic number.

2421523240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2421523240 is an abundant number, since it is smaller than the sum of its proper divisors (3026904140).

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

2421523240 is a wasteful number, since it uses less digits than its factorization.

2421523240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60538092 (or 60538088 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 2421523240 is about 49208.9751976202. The cubic root of 2421523240 is about 1342.8563190191.

Adding to 2421523240 its reverse (423251242), we get a palindrome (2844774482).

The spelling of 2421523240 in words is "two billion, four hundred twenty-one million, five hundred twenty-three thousand, two hundred forty".