39838140000 has 720 divisors, whose sum is σ = 153636170688. Its totient is φ = 9750528000.

The previous prime is 39838139993. The next prime is 39838140011. The reversal of 39838140000 is 4183893.

It is a tau number, because it is divible by the number of its divisors (720).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 143819862 + ... + 143820138.

Almost surely, 2^39838140000 is an apocalyptic number.

39838140000 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 39838140000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76818085344).

39838140000 is an abundant number, since it is smaller than the sum of its proper divisors (113798030688).

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

39838140000 is a wasteful number, since it uses less digits than its factorization.

39838140000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377 (or 351 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The spelling of 39838140000 in words is "thirty-nine billion, eight hundred thirty-eight million, one hundred forty thousand".