24942195438 has 8 divisors (see below), whose sum is σ = 49884390888. Its totient is φ = 8314065144.

The previous prime is 24942195437. The next prime is 24942195461. The reversal of 24942195438 is 83459124942.

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

24942195438 is an admirable number.

It is a super-2 number, since 2×24942195438² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (24942195437) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2078516281 + ... + 2078516292.

It is an arithmetic number, because the mean of its divisors is an integer number (6235548861).

Almost surely, 2^24942195438 is an apocalyptic number.

24942195438 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

24942195438 is a wasteful number, since it uses less digits than its factorization.

24942195438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4157032578.

The product of its digits is 2488320, while the sum is 51.

The spelling of 24942195438 in words is "twenty-four billion, nine hundred forty-two million, one hundred ninety-five thousand, four hundred thirty-eight".