38549312704 has 56 divisors (see below), whose sum is σ = 87542754048. Its totient is φ = 16498755840.

The previous prime is 38549312689. The next prime is 38549312777. The reversal of 38549312704 is 40721394583.

It is a tau number, because it is divible by the number of its divisors (56).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 274959 + ... + 390769.

Almost surely, 2^38549312704 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 38549312704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43771377024).

38549312704 is an abundant number, since it is smaller than the sum of its proper divisors (48993441344).

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

38549312704 is a wasteful number, since it uses less digits than its factorization.

38549312704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116573 (or 116563 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 46.

The spelling of 38549312704 in words is "thirty-eight billion, five hundred forty-nine million, three hundred twelve thousand, seven hundred four".