24400002245 has 6 divisors (see below), whose sum is σ = 29280421842. Its totient is φ = 19519722368.

The previous prime is 24400002191. The next prime is 24400002271. The reversal of 24400002245 is 54220000442.

It can be written as a sum of positive squares in 3 ways, for example, as 723717604 + 23676284641 = 26902^2 + 153871^2 .

It is not a de Polignac number, because 24400002245 - 2¹² = 24399998149 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 24400002245.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 314357 + ... + 384213.

It is an arithmetic number, because the mean of its divisors is an integer number (4880070307).

Almost surely, 2^24400002245 is an apocalyptic number.

It is an amenable number.

24400002245 is a deficient number, since it is larger than the sum of its proper divisors (4880419597).

24400002245 is an frugal number, since it uses more digits than its factorization.

24400002245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139719 (or 69862 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 23.

Adding to 24400002245 its reverse (54220000442), we get a palindrome (78620002687).

The spelling of 24400002245 in words is "twenty-four billion, four hundred million, two thousand, two hundred forty-five".