24955540 has 12 divisors (see below), whose sum is σ = 52406676. Its totient is φ = 9982208.

The previous prime is 24955537. The next prime is 24955549. The reversal of 24955540 is 4555942.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 17740944 + 7214596 = 4212^2 + 2686^2 .

It is a junction number, because it is equal to n+sod(n) for n = 24955496 and 24955505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (24955549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 623869 + ... + 623908.

It is an arithmetic number, because the mean of its divisors is an integer number (4367223).

Almost surely, 2^24955540 is an apocalyptic number.

24955540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

24955540 is an abundant number, since it is smaller than the sum of its proper divisors (27451136).

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

24955540 is a wasteful number, since it uses less digits than its factorization.

24955540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1247786 (or 1247784 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 34.

The square root of 24955540 is about 4995.5520215488. The cubic root of 24955540 is about 292.2283351947.

The spelling of 24955540 in words is "twenty-four million, nine hundred fifty-five thousand, five hundred forty".