24855040 has 160 divisors (see below), whose sum is σ = 72673920. Its totient is φ = 7962624.

The previous prime is 24855031. The next prime is 24855049. The reversal of 24855040 is 4055842.

It is an interprime number because it is at equal distance from previous prime (24855031) and next prime (24855049).

It is a tau number, because it is divible by the number of its divisors (160).

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (24855049) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 340444 + ... + 340516.

It is an arithmetic number, because the mean of its divisors is an integer number (454212).

Almost surely, 2^24855040 is an apocalyptic number.

24855040 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 24855040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36336960).

24855040 is an abundant number, since it is smaller than the sum of its proper divisors (47818880).

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

24855040 is an equidigital number, since it uses as much as digits as its factorization.

24855040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122 (or 106 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 28.

The square root of 24855040 is about 4985.4829254547. The cubic root of 24855040 is about 291.8355238105.

The spelling of 24855040 in words is "twenty-four million, eight hundred fifty-five thousand, forty".