2421420041040 has 640 divisors, whose sum is σ = 10092698025984. Its totient is φ = 463795200000.

The previous prime is 2421420041021. The next prime is 2421420041063. The reversal of 2421420041040 is 401400241242.

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 2421420041040.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 180413530 + ... + 180426950.

Almost surely, 2^{2421420041040} is an apocalyptic number.

2421420041040 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 2421420041040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5046349012992).

2421420041040 is an abundant number, since it is smaller than the sum of its proper divisors (7671277984944).

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

2421420041040 is a wasteful number, since it uses less digits than its factorization.

2421420041040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14219 (or 14213 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 24.

Adding to 2421420041040 its reverse (401400241242), we get a palindrome (2822820282282).

The spelling of 2421420041040 in words is "two trillion, four hundred twenty-one billion, four hundred twenty million, forty-one thousand, forty".