39623810963968 has 320 divisors, whose sum is σ = 102082266316800. Its totient is φ = 14918070435840.

The previous prime is 39623810963959. The next prime is 39623810963983. The reversal of 39623810963968 is 86936901832693.

It is a self number, because there is not a number n which added to its sum of digits gives 39623810963968.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 146245968 + ... + 146516656.

It is an arithmetic number, because the mean of its divisors is an integer number (319007082240).

Almost surely, 2^{39623810963968} 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 39623810963968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51041133158400).

39623810963968 is an abundant number, since it is smaller than the sum of its proper divisors (62458455352832).

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

39623810963968 is a wasteful number, since it uses less digits than its factorization.

39623810963968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270851 (or 270835 counting only the distinct ones).

The product of its (nonzero) digits is 544195584, while the sum is 73.

The spelling of 39623810963968 in words is "thirty-nine trillion, six hundred twenty-three billion, eight hundred ten million, nine hundred sixty-three thousand, nine hundred sixty-eight".