2260404507421 has 4 divisors (see below), whose sum is σ = 2260412693500. Its totient is φ = 2260396321344.

The previous prime is 2260404507407. The next prime is 2260404507451. The reversal of 2260404507421 is 1247054040622.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 838801371321 + 1421603136100 = 915861^2 + 1192310^2 .

It is a cyclic number.

It is not a de Polignac number, because 2260404507421 - 2⁹ = 2260404506909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2260404507401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3663846 + ... + 4236103.

It is an arithmetic number, because the mean of its divisors is an integer number (565103173375).

Almost surely, 2^{2260404507421} is an apocalyptic number.

It is an amenable number.

2260404507421 is a deficient number, since it is larger than the sum of its proper divisors (8186079).

2260404507421 is an equidigital number, since it uses as much as digits as its factorization.

2260404507421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8186078.

The product of its (nonzero) digits is 107520, while the sum is 37.

The spelling of 2260404507421 in words is "two trillion, two hundred sixty billion, four hundred four million, five hundred seven thousand, four hundred twenty-one".