24915980 has 12 divisors (see below), whose sum is σ = 52323600. Its totient is φ = 9966384.

The previous prime is 24915977. The next prime is 24915991. The reversal of 24915980 is 8951942.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 622880 + ... + 622919.

It is an arithmetic number, because the mean of its divisors is an integer number (4360300).

Almost surely, 2^24915980 is an apocalyptic number.

24915980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

24915980 is an abundant number, since it is smaller than the sum of its proper divisors (27407620).

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

24915980 is a wasteful number, since it uses less digits than its factorization.

24915980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1245808 (or 1245806 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 38.

The square root of 24915980 is about 4991.5909287521. The cubic root of 24915980 is about 292.0738382106.

The spelling of 24915980 in words is "twenty-four million, nine hundred fifteen thousand, nine hundred eighty".