24252990 has 64 divisors (see below), whose sum is σ = 61335360. Its totient is φ = 6128640.

The previous prime is 24252967. The next prime is 24252997. The reversal of 24252990 is 9925242.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (24252997) 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, 52842 + ... + 53298.

It is an arithmetic number, because the mean of its divisors is an integer number (958365).

Almost surely, 2^24252990 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 24252990, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30667680).

24252990 is an abundant number, since it is smaller than the sum of its proper divisors (37082370).

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

24252990 is a wasteful number, since it uses less digits than its factorization.

24252990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 557.

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 24252990 is about 4924.7324800440. The cubic root of 24252990 is about 289.4599143283.

The spelling of 24252990 in words is "twenty-four million, two hundred fifty-two thousand, nine hundred ninety".