2423440521 has 6 divisors (see below), whose sum is σ = 3500525210. Its totient is φ = 1615627008.

The previous prime is 2423440511. The next prime is 2423440573. The reversal of 2423440521 is 1250443242.

2423440521 is a `hidden beast` number, since 2 + 4 + 234 + 405 + 21 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1729644921 + 693795600 = 41589^2 + 26340^2 .

It is not a de Polignac number, because 2423440521 - 2⁵ = 2423440489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2423440511) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 134635576 + ... + 134635593.

Almost surely, 2^2423440521 is an apocalyptic number.

It is an amenable number.

2423440521 is a deficient number, since it is larger than the sum of its proper divisors (1077084689).

2423440521 is a wasteful number, since it uses less digits than its factorization.

2423440521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269271175 (or 269271172 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

The square root of 2423440521 is about 49228.4523522729. The cubic root of 2423440521 is about 1343.2106350765.

Adding to 2423440521 its reverse (1250443242), we get a palindrome (3673883763).

The spelling of 2423440521 in words is "two billion, four hundred twenty-three million, four hundred forty thousand, five hundred twenty-one".