24241421421 has 32 divisors (see below), whose sum is σ = 42044755200. Its totient is φ = 13514376960.

The previous prime is 24241421419. The next prime is 24241421539. The reversal of 24241421421 is 12412414242.

24241421421 is a `hidden beast` number, since 2 + 424 + 1 + 4 + 214 + 21 = 666.

It is not a de Polignac number, because 24241421421 - 2¹ = 24241421419 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (24241421921) 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, 1556416 + ... + 1571913.

It is an arithmetic number, because the mean of its divisors is an integer number (1313898600).

Almost surely, 2^24241421421 is an apocalyptic number.

24241421421 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

24241421421 is a deficient number, since it is larger than the sum of its proper divisors (17803333779).

24241421421 is a wasteful number, since it uses less digits than its factorization.

24241421421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3128386 (or 3128380 counting only the distinct ones).

The product of its digits is 4096, while the sum is 27.

Adding to 24241421421 its reverse (12412414242), we get a palindrome (36653835663).

The spelling of 24241421421 in words is "twenty-four billion, two hundred forty-one million, four hundred twenty-one thousand, four hundred twenty-one".