24408009138 has 16 divisors (see below), whose sum is σ = 48817670976. Its totient is φ = 8135727600.

The previous prime is 24408009137. The next prime is 24408009149. The reversal of 24408009138 is 83190080442.

It is a junction number, because it is equal to n+sod(n) for n = 24408009096 and 24408009105.

It is not an unprimeable number, because it can be changed into a prime (24408009137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 209995 + ... + 304817.

It is an arithmetic number, because the mean of its divisors is an integer number (3051104436).

Almost surely, 2^24408009138 is an apocalyptic number.

24408009138 is an abundant number, since it is smaller than the sum of its proper divisors (24409661838).

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

24408009138 is a wasteful number, since it uses less digits than its factorization.

24408009138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137729.

The product of its (nonzero) digits is 55296, while the sum is 39.

The spelling of 24408009138 in words is "twenty-four billion, four hundred eight million, nine thousand, one hundred thirty-eight".