38396392650 has 216 divisors, whose sum is σ = 130910442624. Its totient is φ = 7978420800.

The previous prime is 38396392589. The next prime is 38396392663. The reversal of 38396392650 is 5629369383.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 163399 + ... + 321701.

It is an arithmetic number, because the mean of its divisors is an integer number (606066864).

Almost surely, 2^38396392650 is an apocalyptic number.

38396392650 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 38396392650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65455221312).

38396392650 is an abundant number, since it is smaller than the sum of its proper divisors (92514049974).

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

38396392650 is a wasteful number, since it uses less digits than its factorization.

38396392650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158346 (or 158331 counting only the distinct ones).

The product of its (nonzero) digits is 6298560, while the sum is 54.

The spelling of 38396392650 in words is "thirty-eight billion, three hundred ninety-six million, three hundred ninety-two thousand, six hundred fifty".