24494281980 has 96 divisors (see below), whose sum is σ = 78573895680. Its totient is φ = 5584965120.

The previous prime is 24494281979. The next prime is 24494281991. The reversal of 24494281980 is 8918249442.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 100485 + ... + 243075.

It is an arithmetic number, because the mean of its divisors is an integer number (818478080).

Almost surely, 2^24494281980 is an apocalyptic number.

24494281980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 24494281980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39286947840).

24494281980 is an abundant number, since it is smaller than the sum of its proper divisors (54079613700).

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

24494281980 is a wasteful number, since it uses less digits than its factorization.

24494281980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143019 (or 143017 counting only the distinct ones).

The product of its (nonzero) digits is 1327104, while the sum is 51.

The spelling of 24494281980 in words is "twenty-four billion, four hundred ninety-four million, two hundred eighty-one thousand, nine hundred eighty".