102400244230442 has 32 divisors (see below), whose sum is σ = 161612652772800. Its totient is φ = 48589943246208.

The previous prime is 102400244230441. The next prime is 102400244230463. The reversal of 102400244230442 is 244032442004201.

It is a junction number, because it is equal to n+sod(n) for n = 102400244230399 and 102400244230408.

It is not an unprimeable number, because it can be changed into a prime (102400244230441) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 22474973 + ... + 26644415.

It is an arithmetic number, because the mean of its divisors is an integer number (5050395399150).

Almost surely, 2^{102400244230442} is an apocalyptic number.

102400244230442 is a deficient number, since it is larger than the sum of its proper divisors (59212408542358).

102400244230442 is a wasteful number, since it uses less digits than its factorization.

102400244230442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4176710.

The product of its (nonzero) digits is 49152, while the sum is 32.

Adding to 102400244230442 its reverse (244032442004201), we get a palindrome (346432686234643).

The spelling of 102400244230442 in words is "one hundred two trillion, four hundred billion, two hundred forty-four million, two hundred thirty thousand, four hundred forty-two".