38345042868 has 96 divisors (see below), whose sum is σ = 100161048960. Its totient is φ = 11316480000.

The previous prime is 38345042861. The next prime is 38345042893. The reversal of 38345042868 is 86824054383.

It is a self number, because there is not a number n which added to its sum of digits gives 38345042868.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38345042861) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3246718 + ... + 3258506.

It is an arithmetic number, because the mean of its divisors is an integer number (1043344260).

Almost surely, 2^38345042868 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38345042868, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50080524480).

38345042868 is an abundant number, since it is smaller than the sum of its proper divisors (61816006092).

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

38345042868 is a wasteful number, since it uses less digits than its factorization.

38345042868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12449 (or 12447 counting only the distinct ones).

The product of its (nonzero) digits is 4423680, while the sum is 51.

The spelling of 38345042868 in words is "thirty-eight billion, three hundred forty-five million, forty-two thousand, eight hundred sixty-eight".