24004040040 has 64 divisors (see below), whose sum is σ = 80013470400. Its totient is φ = 6401077056.

The previous prime is 24004039991. The next prime is 24004040129. The reversal of 24004040040 is 4004040042.

It is a happy number.

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 = 24004039995 and 24004040022.

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, 11111902 + ... + 11114061.

It is an arithmetic number, because the mean of its divisors is an integer number (1250210475).

Almost surely, 2^24004040040 is an apocalyptic number.

24004040040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

24004040040 is an abundant number, since it is smaller than the sum of its proper divisors (56009430360).

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

24004040040 is a wasteful number, since it uses less digits than its factorization.

24004040040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22225983 (or 22225973 counting only the distinct ones).

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

Adding to 24004040040 its reverse (4004040042), we get a palindrome (28008080082).

The spelling of 24004040040 in words is "twenty-four billion, four million, forty thousand, forty".