38643143022 has 96 divisors (see below), whose sum is σ = 92131603200. Its totient is φ = 11608738560.

The previous prime is 38643143009. The next prime is 38643143023. The reversal of 38643143022 is 22034134683.

38643143022 is a `hidden beast` number, since 3 + 8 + 643 + 1 + 4 + 3 + 0 + 2 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38643143023) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 14316229 + ... + 14318927.

It is an arithmetic number, because the mean of its divisors is an integer number (959704200).

Almost surely, 2^38643143022 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38643143022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46065801600).

38643143022 is an abundant number, since it is smaller than the sum of its proper divisors (53488460178).

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

38643143022 is a wasteful number, since it uses less digits than its factorization.

38643143022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3318 (or 3315 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 36.

The spelling of 38643143022 in words is "thirty-eight billion, six hundred forty-three million, one hundred forty-three thousand, twenty-two".