24540434 has 4 divisors (see below), whose sum is σ = 36810654. Its totient is φ = 12270216.

The previous prime is 24540433. The next prime is 24540473. The reversal of 24540434 is 43404542.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 18464209 + 6076225 = 4297^2 + 2465^2 .

It is not an unprimeable number, because it can be changed into a prime (24540433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6135107 + ... + 6135110.

Almost surely, 2^24540434 is an apocalyptic number.

24540434 is a deficient number, since it is larger than the sum of its proper divisors (12270220).

24540434 is a wasteful number, since it uses less digits than its factorization.

24540434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12270219.

The product of its (nonzero) digits is 7680, while the sum is 26.

The square root of 24540434 is about 4953.8302352826. The cubic root of 24540434 is about 290.5989760333.

Adding to 24540434 its reverse (43404542), we get a palindrome (67944976).

The spelling of 24540434 in words is "twenty-four million, five hundred forty thousand, four hundred thirty-four".