39964036000 has 192 divisors, whose sum is σ = 112946206464. Its totient is φ = 13613184000.

The previous prime is 39964035973. The next prime is 39964036001. The reversal of 39964036000 is 63046993.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (39964036001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4391455 + ... + 4400545.

It is an arithmetic number, because the mean of its divisors is an integer number (588261492).

Almost surely, 2^39964036000 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 39964036000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56473103232).

39964036000 is an abundant number, since it is smaller than the sum of its proper divisors (72982170464).

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

39964036000 is a wasteful number, since it uses less digits than its factorization.

39964036000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9280 (or 9262 counting only the distinct ones).

The product of its (nonzero) digits is 104976, while the sum is 40.

The spelling of 39964036000 in words is "thirty-nine billion, nine hundred sixty-four million, thirty-six thousand".