39699652608 has 1008 divisors, whose sum is σ = 155001004704. Its totient is φ = 10032906240.

The previous prime is 39699652579. The next prime is 39699652621. The reversal of 39699652608 is 80625699693.

It is a tau number, because it is divible by the number of its divisors (1008).

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1072963566 + ... + 1072963602.

It is an arithmetic number, because the mean of its divisors is an integer number (153770838).

Almost surely, 2^39699652608 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 39699652608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77500502352).

39699652608 is an abundant number, since it is smaller than the sum of its proper divisors (115301352096).

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

39699652608 is an equidigital number, since it uses as much as digits as its factorization.

39699652608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103 (or 60 counting only the distinct ones).

The product of its (nonzero) digits is 37791360, while the sum is 63.

The spelling of 39699652608 in words is "thirty-nine billion, six hundred ninety-nine million, six hundred fifty-two thousand, six hundred eight".