38553921604 has 24 divisors (see below), whose sum is σ = 75314641248. Its totient is φ = 17116962240.

The previous prime is 38553921569. The next prime is 38553921607. The reversal of 38553921604 is 40612935583.

38553921604 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (38553921607) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10186777 + ... + 10190560.

It is an arithmetic number, because the mean of its divisors is an integer number (3138110052).

Almost surely, 2^38553921604 is an apocalyptic number.

It is an amenable number.

38553921604 is a deficient number, since it is larger than the sum of its proper divisors (36760719644).

38553921604 is a wasteful number, since it uses less digits than its factorization.

38553921604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20377395 (or 20377393 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 46.

The spelling of 38553921604 in words is "thirty-eight billion, five hundred fifty-three million, nine hundred twenty-one thousand, six hundred four".