24400242442 has 4 divisors (see below), whose sum is σ = 36600363666. Its totient is φ = 12200121220.

The previous prime is 24400242439. The next prime is 24400242463. The reversal of 24400242442 is 24424200442.

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., 16964802001 + 7435440441 = 130249^2 + 86229^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 24400242442.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6100060609 + ... + 6100060612.

Almost surely, 2^24400242442 is an apocalyptic number.

24400242442 is a deficient number, since it is larger than the sum of its proper divisors (12200121224).

24400242442 is a wasteful number, since it uses less digits than its factorization.

24400242442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12200121223.

The product of its (nonzero) digits is 16384, while the sum is 28.

Adding to 24400242442 its reverse (24424200442), we get a palindrome (48824442884).

The spelling of 24400242442 in words is "twenty-four billion, four hundred million, two hundred forty-two thousand, four hundred forty-two".