102775320426 has 32 divisors (see below), whose sum is σ = 205953541056. Its totient is φ = 34191360000.

The previous prime is 102775320407. The next prime is 102775320457. The reversal of 102775320426 is 624023577201.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6682986 + ... + 6698346.

It is an arithmetic number, because the mean of its divisors is an integer number (6436048158).

Almost surely, 2^102775320426 is an apocalyptic number.

102775320426 is an abundant number, since it is smaller than the sum of its proper divisors (103178220630).

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

102775320426 is a wasteful number, since it uses less digits than its factorization.

102775320426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17478.

The product of its (nonzero) digits is 141120, while the sum is 39.

Adding to 102775320426 its reverse (624023577201), we get a palindrome (726798897627).

The spelling of 102775320426 in words is "one hundred two billion, seven hundred seventy-five million, three hundred twenty thousand, four hundred twenty-six".