38281090648 has 32 divisors (see below), whose sum is σ = 72094082400. Its totient is φ = 19056176128.

The previous prime is 38281090607. The next prime is 38281090649. The reversal of 38281090648 is 84609018283.

38281090648 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×38281090648³ (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38281090649) 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, 1833693 + ... + 1854451.

It is an arithmetic number, because the mean of its divisors is an integer number (2252940075).

Almost surely, 2^38281090648 is an apocalyptic number.

It is an amenable number.

38281090648 is a deficient number, since it is larger than the sum of its proper divisors (33812991752).

38281090648 is a wasteful number, since it uses less digits than its factorization.

38281090648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21771 (or 21767 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 49.

The spelling of 38281090648 in words is "thirty-eight billion, two hundred eighty-one million, ninety thousand, six hundred forty-eight".