38894990810984 has 32 divisors (see below), whose sum is σ = 90923355144000. Its totient is φ = 15153892523520.

The previous prime is 38894990810959. The next prime is 38894990810999. The reversal of 38894990810984 is 48901809949883.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 38894990810899 and 38894990810908.

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, 31570608809 + ... + 31570610040.

It is an arithmetic number, because the mean of its divisors is an integer number (2841354848250).

Almost surely, 2^{38894990810984} is an apocalyptic number.

It is an amenable number.

38894990810984 is an abundant number, since it is smaller than the sum of its proper divisors (52028364333016).

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

38894990810984 is a wasteful number, since it uses less digits than its factorization.

38894990810984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63141218873 (or 63141218869 counting only the distinct ones).

The product of its (nonzero) digits is 1289945088, while the sum is 80.

The spelling of 38894990810984 in words is "thirty-eight trillion, eight hundred ninety-four billion, nine hundred ninety million, eight hundred ten thousand, nine hundred eighty-four".