24913980 has 240 divisors, whose sum is σ = 96761280. Its totient is φ = 5256576.

The previous prime is 24913979. The next prime is 24914003. The reversal of 24913980 is 8931942.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1916454 + ... + 1916466.

It is an arithmetic number, because the mean of its divisors is an integer number (403172).

Almost surely, 2^24913980 is an apocalyptic number.

24913980 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 24913980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48380640).

24913980 is an abundant number, since it is smaller than the sum of its proper divisors (71847300).

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

24913980 is a wasteful number, since it uses less digits than its factorization.

24913980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67 (or 30 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 24913980 is about 4991.3905878022. The cubic root of 24913980 is about 292.0660231015.

The spelling of 24913980 in words is "twenty-four million, nine hundred thirteen thousand, nine hundred eighty".