24090090 has 64 divisors (see below), whose sum is σ = 59875200. Its totient is φ = 6200064.

The previous prime is 24090089. The next prime is 24090091. The reversal of 24090090 is 9009042.

It is an interprime number because it is at equal distance from previous prime (24090089) and next prime (24090091).

It is a self number, because there is not a number n which added to its sum of digits gives 24090090.

It is not an unprimeable number, because it can be changed into a prime (24090091) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 173241 + ... + 173379.

It is an arithmetic number, because the mean of its divisors is an integer number (935550).

Almost surely, 2^24090090 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 24090090, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29937600).

24090090 is an abundant number, since it is smaller than the sum of its proper divisors (35785110).

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

24090090 is a wasteful number, since it uses less digits than its factorization.

24090090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311.

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 24090090 is about 4908.1656451265. The cubic root of 24090090 is about 288.8103863510.

The spelling of 24090090 in words is "twenty-four million, ninety thousand, ninety".