24742359990 has 24 divisors (see below), whose sum is σ = 64330136208. Its totient is φ = 6597962640.

The previous prime is 24742359979. The next prime is 24742360007. The reversal of 24742359990 is 9995324742.

24742359990 is a `hidden beast` number, since 2 + 4 + 7 + 42 + 3 + 599 + 9 + 0 = 666.

It is a super-2 number, since 2×24742359990² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 137457466 + ... + 137457645.

It is an arithmetic number, because the mean of its divisors is an integer number (2680422342).

Almost surely, 2^24742359990 is an apocalyptic number.

24742359990 is an abundant number, since it is smaller than the sum of its proper divisors (39587776218).

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

24742359990 is a wasteful number, since it uses less digits than its factorization.

24742359990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274915124 (or 274915121 counting only the distinct ones).

The product of its (nonzero) digits is 4898880, while the sum is 54.

The spelling of 24742359990 in words is "twenty-four billion, seven hundred forty-two million, three hundred fifty-nine thousand, nine hundred ninety".