38371999488784 has 40 divisors (see below), whose sum is σ = 80320450528472. Its totient is φ = 17653571619840.

The previous prime is 38371999488773. The next prime is 38371999488821. The reversal of 38371999488784 is 48788499917383.

It can be written as a sum of positive squares in 4 ways, for example, as 501858896400 + 37870140592384 = 708420^2 + 6153872^2 .

It is a junction number, because it is equal to n+sod(n) for n = 38371999488695 and 38371999488704.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 294632607 + ... + 294762814.

Almost surely, 2^{38371999488784} is an apocalyptic number.

It is an amenable number.

38371999488784 is an abundant number, since it is smaller than the sum of its proper divisors (41948451039688).

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

38371999488784 is a wasteful number, since it uses less digits than its factorization.

38371999488784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 589395755 (or 589395749 counting only the distinct ones).

The product of its digits is 21069103104, while the sum is 88.

The spelling of 38371999488784 in words is "thirty-eight trillion, three hundred seventy-one billion, nine hundred ninety-nine million, four hundred eighty-eight thousand, seven hundred eighty-four".