2421200234040 has 64 divisors (see below), whose sum is σ = 8301257948160. Its totient is φ = 553417196160.

The previous prime is 2421200234003. The next prime is 2421200234071. The reversal of 2421200234040 is 404320021242.

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 2421200234040.

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, 1441189776 + ... + 1441191455.

It is an arithmetic number, because the mean of its divisors is an integer number (129707155440).

Almost surely, 2^{2421200234040} is an apocalyptic number.

2421200234040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2421200234040 is an abundant number, since it is smaller than the sum of its proper divisors (5880057714120).

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

2421200234040 is a wasteful number, since it uses less digits than its factorization.

2421200234040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2882381252 (or 2882381248 counting only the distinct ones).

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

Adding to 2421200234040 its reverse (404320021242), we get a palindrome (2825520255282).

The spelling of 2421200234040 in words is "two trillion, four hundred twenty-one billion, two hundred million, two hundred thirty-four thousand, forty".