102040440034 has 24 divisors (see below), whose sum is σ = 167260854420. Its totient is φ = 46663501248.

The previous prime is 102040440011. The next prime is 102040440037. The reversal of 102040440034 is 430044040201.

It can be written as a sum of positive squares in 6 ways, for example, as 20156900625 + 81883539409 = 141975^2 + 286153^2 .

It is a junction number, because it is equal to n+sod(n) for n = 102040439987 and 102040440014.

It is not an unprimeable number, because it can be changed into a prime (102040440037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1347997 + ... + 1421680.

Almost surely, 2^102040440034 is an apocalyptic number.

102040440034 is a deficient number, since it is larger than the sum of its proper divisors (65220414386).

102040440034 is a wasteful number, since it uses less digits than its factorization.

102040440034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2769814 (or 2769801 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 102040440034 its reverse (430044040201), we get a palindrome (532084480235).

The spelling of 102040440034 in words is "one hundred two billion, forty million, four hundred forty thousand, thirty-four".