24728714842 has 8 divisors (see below), whose sum is σ = 39946385556. Its totient is φ = 11413252992.

The previous prime is 24728714827. The next prime is 24728714851. The reversal of 24728714842 is 24841782742.

It can be written as a sum of positive squares in 2 ways, for example, as 24516983241 + 211731601 = 156579^2 + 14551^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×24728714842² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 475552183 + ... + 475552234.

Almost surely, 2^24728714842 is an apocalyptic number.

24728714842 is a deficient number, since it is larger than the sum of its proper divisors (15217670714).

24728714842 is a wasteful number, since it uses less digits than its factorization.

24728714842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 951104432.

The product of its digits is 1605632, while the sum is 49.

The spelling of 24728714842 in words is "twenty-four billion, seven hundred twenty-eight million, seven hundred fourteen thousand, eight hundred forty-two".