39438930000 has 200 divisors, whose sum is σ = 127549746016. Its totient is φ = 10497600000.

The previous prime is 39438929993. The next prime is 39438930007. The reversal of 39438930000 is 3983493.

It is an interprime number because it is at equal distance from previous prime (39438929993) and next prime (39438930007).

It is a tau number, because it is divible by the number of its divisors (200).

It is a super-3 number, since 3×39438930000³ (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39438930007) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 24329190 + ... + 24330810.

Almost surely, 2^39438930000 is an apocalyptic number.

39438930000 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 39438930000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63774873008).

39438930000 is an abundant number, since it is smaller than the sum of its proper divisors (88110816016).

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

39438930000 is a wasteful number, since it uses less digits than its factorization.

39438930000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2463 (or 2442 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 39.

The spelling of 39438930000 in words is "thirty-nine billion, four hundred thirty-eight million, nine hundred thirty thousand".