102064436644 has 24 divisors (see below), whose sum is σ = 180198639488. Its totient is φ = 50580819360.

The previous prime is 102064436629. The next prime is 102064436653. The reversal of 102064436644 is 446634460201.

It is a super-3 number, since 3×102064436644³ (a number of 34 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 102064436597 and 102064436606.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26014 + ... + 452554.

Almost surely, 2^102064436644 is an apocalyptic number.

It is an amenable number.

102064436644 is a deficient number, since it is larger than the sum of its proper divisors (78134202844).

102064436644 is a wasteful number, since it uses less digits than its factorization.

102064436644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427075 (or 427073 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 40.

Adding to 102064436644 its reverse (446634460201), we get a palindrome (548698896845).

The spelling of 102064436644 in words is "one hundred two billion, sixty-four million, four hundred thirty-six thousand, six hundred forty-four".