102276402105426 has 128 divisors (see below), whose sum is σ = 226010953728000. Its totient is φ = 30710804382720.

The previous prime is 102276402105419. The next prime is 102276402105431. The reversal of 102276402105426 is 624501204672201.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 159201411 + ... + 159842553.

It is an arithmetic number, because the mean of its divisors is an integer number (1765710576000).

Almost surely, 2^{102276402105426} is an apocalyptic number.

102276402105426 is an abundant number, since it is smaller than the sum of its proper divisors (123734551622574).

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

102276402105426 is a wasteful number, since it uses less digits than its factorization.

102276402105426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 641664.

The product of its (nonzero) digits is 322560, while the sum is 42.

Adding to 102276402105426 its reverse (624501204672201), we get a palindrome (726777606777627).

The spelling of 102276402105426 in words is "one hundred two trillion, two hundred seventy-six billion, four hundred two million, one hundred five thousand, four hundred twenty-six".