38549404160 has 80 divisors (see below), whose sum is σ = 92483652096. Its totient is φ = 15410515968.

The previous prime is 38549404111. The next prime is 38549404181. The reversal of 38549404160 is 6140494583.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×38549404160² (a number of 22 digits) contains 22 as substring.

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, 5646509 + ... + 5653331.

Almost surely, 2^38549404160 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 38549404160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46241826048).

38549404160 is an abundant number, since it is smaller than the sum of its proper divisors (53934247936).

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

38549404160 is an equidigital number, since it uses as much as digits as its factorization.

38549404160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9053 (or 9037 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 44.

The spelling of 38549404160 in words is "thirty-eight billion, five hundred forty-nine million, four hundred four thousand, one hundred sixty".