24240402 has 48 divisors (see below), whose sum is σ = 57139992. Its totient is φ = 7395840.

The previous prime is 24240373. The next prime is 24240427. The reversal of 24240402 is 20404242.

24240402 is a `hidden beast` number, since 24 + 240 + 402 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 22553001 + 1687401 = 4749^2 + 1299^2 .

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

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 10252 + ... + 12392.

Almost surely, 2^24240402 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 24240402, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28569996).

24240402 is an abundant number, since it is smaller than the sum of its proper divisors (32899590).

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

24240402 is a wasteful number, since it uses less digits than its factorization.

24240402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2203 (or 2200 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 18.

The square root of 24240402 is about 4923.4542752015. The cubic root of 24240402 is about 289.4098263188.

Adding to 24240402 its reverse (20404242), we get a palindrome (44644644).

It can be divided in two parts, 24240 and 402, that added together give a palindrome (24642).

The spelling of 24240402 in words is "twenty-four million, two hundred forty thousand, four hundred two".