24690042 has 32 divisors (see below), whose sum is σ = 59088960. Its totient is φ = 7596720.

The previous prime is 24690031. The next prime is 24690047. The reversal of 24690042 is 24009642.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 24689988 and 24690015.

It is not an unprimeable number, because it can be changed into a prime (24690047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16884 + ... + 18287.

It is an arithmetic number, because the mean of its divisors is an integer number (1846530).

Almost surely, 2^24690042 is an apocalyptic number.

24690042 is an abundant number, since it is smaller than the sum of its proper divisors (34398918).

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

24690042 is a wasteful number, since it uses less digits than its factorization.

24690042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35195 (or 35189 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 24690042 is about 4968.9075258048. The cubic root of 24690042 is about 291.1883147129.

Adding to 24690042 its reverse (24009642), we get a palindrome (48699684).

The spelling of 24690042 in words is "twenty-four million, six hundred ninety thousand, forty-two".