24987376680 has 128 divisors (see below), whose sum is σ = 86039366400. Its totient is φ = 5686843392.

The previous prime is 24987376639. The next prime is 24987376699. The reversal of 24987376680 is 8667378942.

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (60).

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, 131886 + ... + 259554.

It is an arithmetic number, because the mean of its divisors is an integer number (672182550).

Almost surely, 2^24987376680 is an apocalyptic number.

24987376680 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 24987376680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43019683200).

24987376680 is an abundant number, since it is smaller than the sum of its proper divisors (61051989720).

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

24987376680 is a wasteful number, since it uses less digits than its factorization.

24987376680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127923 (or 127919 counting only the distinct ones).

The product of its (nonzero) digits is 24385536, while the sum is 60.

The spelling of 24987376680 in words is "twenty-four billion, nine hundred eighty-seven million, three hundred seventy-six thousand, six hundred eighty".