24023940 has 48 divisors (see below), whose sum is σ = 67495680. Its totient is φ = 6384640.

The previous prime is 24023939. The next prime is 24023957. The reversal of 24023940 is 4932042.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 24023940.

It is a congruent number.

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, 25396 + ... + 26324.

It is an arithmetic number, because the mean of its divisors is an integer number (1406160).

Almost surely, 2^24023940 is an apocalyptic number.

24023940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

24023940 is an abundant number, since it is smaller than the sum of its proper divisors (43471740).

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

24023940 is a wasteful number, since it uses less digits than its factorization.

24023940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1372 (or 1370 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 24023940 is about 4901.4222425741. The cubic root of 24023940 is about 288.5457917856.

Adding to 24023940 its reverse (4932042), we get a palindrome (28955982).

The spelling of 24023940 in words is "twenty-four million, twenty-three thousand, nine hundred forty".