24489542 has 16 divisors (see below), whose sum is σ = 45798912. Its totient is φ = 9541320.

The previous prime is 24489541. The next prime is 24489547. The reversal of 24489542 is 24598442.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 24489496 and 24489505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (24489541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79358 + ... + 79665.

It is an arithmetic number, because the mean of its divisors is an integer number (2862432).

Almost surely, 2^24489542 is an apocalyptic number.

24489542 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

24489542 is a deficient number, since it is larger than the sum of its proper divisors (21309370).

24489542 is a wasteful number, since it uses less digits than its factorization.

24489542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159043.

The product of its digits is 92160, while the sum is 38.

The square root of 24489542 is about 4948.6909380158. The cubic root of 24489542 is about 290.3979554354.

Subtracting 24489542 from its reverse (24598442), we obtain a square (108900 = 330²).

The spelling of 24489542 in words is "twenty-four million, four hundred eighty-nine thousand, five hundred forty-two".