24002040 has 32 divisors (see below), whose sum is σ = 72006480. Its totient is φ = 6400512.

The previous prime is 24001979. The next prime is 24002051. The reversal of 24002040 is 4020042.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99889 + ... + 100128.

Almost surely, 2^24002040 is an apocalyptic number.

24002040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

24002040 is an abundant number, since it is smaller than the sum of its proper divisors (48004440).

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

24002040 is a wasteful number, since it uses less digits than its factorization.

24002040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200031 (or 200027 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 12.

The square root of 24002040 is about 4899.1876877703. The cubic root of 24002040 is about 288.4580865775.

Adding to 24002040 its reverse (4020042), we get a palindrome (28022082).

The spelling of 24002040 in words is "twenty-four million, two thousand, forty".