38343986850 has 192 divisors, whose sum is σ = 104683549824. Its totient is φ = 9230008320.

The previous prime is 38343986839. The next prime is 38343986873. The reversal of 38343986850 is 5868934383.

It is a super-2 number, since 2×38343986850² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 59632629 + ... + 59633271.

It is an arithmetic number, because the mean of its divisors is an integer number (545226822).

Almost surely, 2^38343986850 is an apocalyptic number.

38343986850 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 38343986850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52341774912).

38343986850 is an abundant number, since it is smaller than the sum of its proper divisors (66339562974).

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

38343986850 is a wasteful number, since it uses less digits than its factorization.

38343986850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1301 (or 1296 counting only the distinct ones).

The product of its (nonzero) digits is 14929920, while the sum is 57.

The spelling of 38343986850 in words is "thirty-eight billion, three hundred forty-three million, nine hundred eighty-six thousand, eight hundred fifty".