2421043040 has 96 divisors (see below), whose sum is σ = 6184019520. Its totient is φ = 890394624.

The previous prime is 2421043033. The next prime is 2421043069. The reversal of 2421043040 is 403401242.

It is a super-2 number, since 2×2421043040² = 11722898803064883200, which contains 22 as substring.

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 pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 557357 + ... + 561683.

It is an arithmetic number, because the mean of its divisors is an integer number (64416870).

Almost surely, 2^2421043040 is an apocalyptic number.

2421043040 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 2421043040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3092009760).

2421043040 is an abundant number, since it is smaller than the sum of its proper divisors (3762976480).

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

2421043040 is a wasteful number, since it uses less digits than its factorization.

2421043040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4624 (or 4616 counting only the distinct ones).

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

The square root of 2421043040 is about 49204.0957644788. The cubic root of 2421043040 is about 1342.7675481409.

Adding to 2421043040 its reverse (403401242), we get a palindrome (2824444282).

It can be divided in two parts, 24210 and 43040, that multiplied together give a square (1041998400 = 32280²).

The spelling of 2421043040 in words is "two billion, four hundred twenty-one million, forty-three thousand, forty".