24520872742 has 4 divisors (see below), whose sum is σ = 36781309116. Its totient is φ = 12260436370.

The previous prime is 24520872713. The next prime is 24520872751. The reversal of 24520872742 is 24727802542.

It is a semiprime because it is the product of two primes.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 6130218184 + ... + 6130218187.

It is an arithmetic number, because the mean of its divisors is an integer number (9195327279).

Almost surely, 2^24520872742 is an apocalyptic number.

24520872742 is a deficient number, since it is larger than the sum of its proper divisors (12260436374).

24520872742 is a wasteful number, since it uses less digits than its factorization.

24520872742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12260436373.

The product of its (nonzero) digits is 501760, while the sum is 43.

The spelling of 24520872742 in words is "twenty-four billion, five hundred twenty million, eight hundred seventy-two thousand, seven hundred forty-two".