24002240040 has 48 divisors (see below), whose sum is σ = 78007281300. Its totient is φ = 6400597248.

The previous prime is 24002240023. The next prime is 24002240069. The reversal of 24002240040 is 4004220042.

24002240040 is a `hidden beast` number, since 2 + 400 + 224 + 0 + 0 + 40 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 23942610756 + 59629284 = 154734^2 + 7722^2 .

It is a super-2 number, since 2×24002240040² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 24002239995 and 24002240022.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33336085 + ... + 33336804.

Almost surely, 2^24002240040 is an apocalyptic number.

24002240040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

24002240040 is an abundant number, since it is smaller than the sum of its proper divisors (54005041260).

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

24002240040 is a wasteful number, since it uses less digits than its factorization.

24002240040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66672906 (or 66672899 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 18.

Adding to 24002240040 its reverse (4004220042), we get a palindrome (28006460082).

The spelling of 24002240040 in words is "twenty-four billion, two million, two hundred forty thousand, forty".