2421443041040 has 160 divisors (see below), whose sum is σ = 5875433281536. Its totient is φ = 927028592640.

The previous prime is 2421443041019. The next prime is 2421443041049. The reversal of 2421443041040 is 401403441242.

It is a junction number, because it is equal to n+sod(n) for n = 2421443040994 and 2421443041012.

It is not an unprimeable number, because it can be changed into a prime (2421443041049) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 493867229 + ... + 493872131.

Almost surely, 2^{2421443041040} is an apocalyptic number.

2421443041040 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 2421443041040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2937716640768).

2421443041040 is an abundant number, since it is smaller than the sum of its proper divisors (3453990240496).

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

2421443041040 is a wasteful number, since it uses less digits than its factorization.

2421443041040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7097 (or 7091 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 2421443041040 its reverse (401403441242), we get a palindrome (2822846482282).

The spelling of 2421443041040 in words is "two trillion, four hundred twenty-one billion, four hundred forty-three million, forty-one thousand, forty".