24400220412402 has 40 divisors (see below), whose sum is σ = 54675081961500. Its totient is φ = 8133330341376.

The previous prime is 24400220412329. The next prime is 24400220412413. The reversal of 24400220412402 is 20421402200442.

24400220412402 is a `hidden beast` number, since 2 + 4 + 40 + 0 + 2 + 204 + 12 + 402 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 17884601702361 + 6515618710041 = 4229019^2 + 2552571^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 18117474 + ... + 19417602.

Almost surely, 2^{24400220412402} is an apocalyptic number.

24400220412402 is an abundant number, since it is smaller than the sum of its proper divisors (30274861549098).

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

24400220412402 is a wasteful number, since it uses less digits than its factorization.

24400220412402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1415992 (or 1415983 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 27.

Adding to 24400220412402 its reverse (20421402200442), we get a palindrome (44821622612844).

The spelling of 24400220412402 in words is "twenty-four trillion, four hundred billion, two hundred twenty million, four hundred twelve thousand, four hundred two".