38311011384 has 64 divisors (see below), whose sum is σ = 97481750400. Its totient is φ = 12543467904.

The previous prime is 38311011373. The next prime is 38311011391. The reversal of 38311011384 is 48311011383.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1797639 + ... + 1818825.

It is an arithmetic number, because the mean of its divisors is an integer number (1523152350).

Almost surely, 2^38311011384 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 38311011384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48740875200).

38311011384 is an abundant number, since it is smaller than the sum of its proper divisors (59170739016).

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

38311011384 is a wasteful number, since it uses less digits than its factorization.

38311011384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22532 (or 22528 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 33.

Subtracting 38311011384 from its reverse (48311011383), we obtain a palindrome (9999999999).

The spelling of 38311011384 in words is "thirty-eight billion, three hundred eleven million, eleven thousand, three hundred eighty-four".