24878540 has 12 divisors (see below), whose sum is σ = 52244976. Its totient is φ = 9951408.

The previous prime is 24878537. The next prime is 24878551. The reversal of 24878540 is 4587842.

It is a junction number, because it is equal to n+sod(n) for n = 24878494 and 24878503.

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, 621944 + ... + 621983.

It is an arithmetic number, because the mean of its divisors is an integer number (4353748).

Almost surely, 2^24878540 is an apocalyptic number.

24878540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

24878540 is an abundant number, since it is smaller than the sum of its proper divisors (27366436).

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

24878540 is a wasteful number, since it uses less digits than its factorization.

24878540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1243936 (or 1243934 counting only the distinct ones).

The product of its (nonzero) digits is 71680, while the sum is 38.

The square root of 24878540 is about 4987.8392115224. The cubic root of 24878540 is about 291.9274699447.

The spelling of 24878540 in words is "twenty-four million, eight hundred seventy-eight thousand, five hundred forty".