24221540424 has 64 divisors (see below), whose sum is σ = 60765344640. Its totient is φ = 8045706240.

The previous prime is 24221540401. The next prime is 24221540467. The reversal of 24221540424 is 42404512242.

It is a super-2 number, since 2×24221540424² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 24221540391 and 24221540400.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10345494 + ... + 10347834.

It is an arithmetic number, because the mean of its divisors is an integer number (949458510).

Almost surely, 2^24221540424 is an apocalyptic number.

24221540424 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

24221540424 is an abundant number, since it is smaller than the sum of its proper divisors (36543804216).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

24221540424 is a wasteful number, since it uses less digits than its factorization.

24221540424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3670 (or 3666 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 30.

The spelling of 24221540424 in words is "twenty-four billion, two hundred twenty-one million, five hundred forty thousand, four hundred twenty-four".