24675640 has 32 divisors (see below), whose sum is σ = 60568560. Its totient is φ = 8972800.

The previous prime is 24675589. The next prime is 24675641. The reversal of 24675640 is 4657642.

It is a junction number, because it is equal to n+sod(n) for n = 24675596 and 24675605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (24675641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27601 + ... + 28480.

Almost surely, 2^24675640 is an apocalyptic number.

24675640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

24675640 is an abundant number, since it is smaller than the sum of its proper divisors (35892920).

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

24675640 is a wasteful number, since it uses less digits than its factorization.

24675640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56103 (or 56099 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 34.

The square root of 24675640 is about 4967.4581024906. The cubic root of 24675640 is about 291.1316858126.

The spelling of 24675640 in words is "twenty-four million, six hundred seventy-five thousand, six hundred forty".