24019894042 has 16 divisors (see below), whose sum is σ = 36504772200. Its totient is φ = 11852549632.

The previous prime is 24019894013. The next prime is 24019894049. The reversal of 24019894042 is 24049891042.

It can be written as a sum of positive squares in 4 ways, for example, as 14974172161 + 9045721881 = 122369^2 + 95109^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 24019894042.

It is not an unprimeable number, because it can be changed into a prime (24019894049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 175417 + ... + 280732.

Almost surely, 2^24019894042 is an apocalyptic number.

24019894042 is a deficient number, since it is larger than the sum of its proper divisors (12484878158).

24019894042 is a wasteful number, since it uses less digits than its factorization.

24019894042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 456497.

The product of its (nonzero) digits is 165888, while the sum is 43.

The spelling of 24019894042 in words is "twenty-four billion, nineteen million, eight hundred ninety-four thousand, forty-two".