24240131421 has 16 divisors (see below), whose sum is σ = 35333895168. Its totient is φ = 14659521200.

The previous prime is 24240131417. The next prime is 24240131431. The reversal of 24240131421 is 12413104242.

It is a cyclic number.

It is not a de Polignac number, because 24240131421 - 2² = 24240131417 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 24240131391 and 24240131400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (24240131431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 771045 + ... + 801866.

It is an arithmetic number, because the mean of its divisors is an integer number (2208368448).

Almost surely, 2^24240131421 is an apocalyptic number.

It is an amenable number.

24240131421 is a deficient number, since it is larger than the sum of its proper divisors (11093763747).

24240131421 is a wasteful number, since it uses less digits than its factorization.

24240131421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1573392.

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 24240131421 its reverse (12413104242), we get a palindrome (36653235663).

The spelling of 24240131421 in words is "twenty-four billion, two hundred forty million, one hundred thirty-one thousand, four hundred twenty-one".