24040080 has 120 divisors (see below), whose sum is σ = 81622008. Its totient is φ = 6340608.

The previous prime is 24040031. The next prime is 24040087. The reversal of 24040080 is 8004042.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 4112784 + 19927296 = 2028^2 + 4464^2 .

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (24040087) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 124464 + ... + 124656.

Almost surely, 2^24040080 is an apocalyptic number.

24040080 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 24040080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40811004).

24040080 is an abundant number, since it is smaller than the sum of its proper divisors (57581928).

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

24040080 is a wasteful number, since it uses less digits than its factorization.

24040080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385 (or 376 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 24040080 is about 4903.0684270159. The cubic root of 24040080 is about 288.6103952123.

The spelling of 24040080 in words is "twenty-four million, forty thousand, eighty".