39045025668 has 192 divisors, whose sum is σ = 105063275520. Its totient is φ = 11179814400.

The previous prime is 39045025651. The next prime is 39045025693. The reversal of 39045025668 is 86652054093.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 24726903 + ... + 24728481.

It is an arithmetic number, because the mean of its divisors is an integer number (547204560).

Almost surely, 2^39045025668 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 39045025668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52531637760).

39045025668 is an abundant number, since it is smaller than the sum of its proper divisors (66018249852).

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

39045025668 is a wasteful number, since it uses less digits than its factorization.

39045025668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1778 (or 1776 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 48.

The spelling of 39045025668 in words is "thirty-nine billion, forty-five million, twenty-five thousand, six hundred sixty-eight".