24909090 has 32 divisors (see below), whose sum is σ = 59927040. Its totient is φ = 6626304.

The previous prime is 24909077. The next prime is 24909091. The reversal of 24909090 is 9090942.

It is a happy number.

24909090 is a modest number, since divided by 9090 gives 2490 as remainder.

It is not an unprimeable number, because it can be changed into a prime (24909091) 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 15 ways as a sum of consecutive naturals, for example, 16591 + ... + 18029.

It is an arithmetic number, because the mean of its divisors is an integer number (1872720).

Almost surely, 2^24909090 is an apocalyptic number.

24909090 is an abundant number, since it is smaller than the sum of its proper divisors (35017950).

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

24909090 is a wasteful number, since it uses less digits than its factorization.

24909090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2026.

The product of its (nonzero) digits is 5832, while the sum is 33.

The square root of 24909090 is about 4990.9007203109. The cubic root of 24909090 is about 292.0469133981.

The spelling of 24909090 in words is "twenty-four million, nine hundred nine thousand, ninety".