24531021242 has 16 divisors (see below), whose sum is σ = 45288039552. Its totient is φ = 9704579760.

The previous prime is 24531021173. The next prime is 24531021257. The reversal of 24531021242 is 24212013542.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67392734 + ... + 67393097.

It is an arithmetic number, because the mean of its divisors is an integer number (2830502472).

Almost surely, 2^24531021242 is an apocalyptic number.

24531021242 is a deficient number, since it is larger than the sum of its proper divisors (20757018310).

24531021242 is a wasteful number, since it uses less digits than its factorization.

24531021242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134785853.

The product of its (nonzero) digits is 3840, while the sum is 26.

Adding to 24531021242 its reverse (24212013542), we get a palindrome (48743034784).

The spelling of 24531021242 in words is "twenty-four billion, five hundred thirty-one million, twenty-one thousand, two hundred forty-two".