38540993361 has 16 divisors (see below), whose sum is σ = 55432118784. Its totient is φ = 23678446464.

The previous prime is 38540993357. The next prime is 38540993377. The reversal of 38540993361 is 16339904583.

It is a happy number.

38540993361 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 38540993361 - 2² = 38540993357 is a prime.

It is not an unprimeable number, because it can be changed into a prime (38540993461) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 790356 + ... + 837701.

It is an arithmetic number, because the mean of its divisors is an integer number (3464507424).

Almost surely, 2^38540993361 is an apocalyptic number.

It is an amenable number.

38540993361 is a deficient number, since it is larger than the sum of its proper divisors (16891125423).

38540993361 is a wasteful number, since it uses less digits than its factorization.

38540993361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1628680.

The product of its (nonzero) digits is 2099520, while the sum is 51.

The spelling of 38540993361 in words is "thirty-eight billion, five hundred forty million, nine hundred ninety-three thousand, three hundred sixty-one".