2240421233421 has 32 divisors (see below), whose sum is σ = 3540805574656. Its totient is φ = 1233070776000.

The previous prime is 2240421233387. The next prime is 2240421233441. The reversal of 2240421233421 is 1243321240422.

It is not a de Polignac number, because 2240421233421 - 2⁶ = 2240421233357 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2240421233441) 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, 8017870 + ... + 8292591.

It is an arithmetic number, because the mean of its divisors is an integer number (110650174208).

Almost surely, 2^{2240421233421} is an apocalyptic number.

2240421233421 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2240421233421 is a deficient number, since it is larger than the sum of its proper divisors (1300384341235).

2240421233421 is a wasteful number, since it uses less digits than its factorization.

2240421233421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16310713.

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 2240421233421 its reverse (1243321240422), we get a palindrome (3483742473843).

The spelling of 2240421233421 in words is "two trillion, two hundred forty billion, four hundred twenty-one million, two hundred thirty-three thousand, four hundred twenty-one".