38465138718 has 24 divisors (see below), whose sum is σ = 83893067856. Its totient is φ = 12736800000.

The previous prime is 38465138713. The next prime is 38465138731. The reversal of 38465138718 is 81783156483.

It is a happy number.

38465138718 is a `hidden beast` number, since 3 + 8 + 46 + 513 + 87 + 1 + 8 = 666.

38465138718 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38465138713) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7073283 + ... + 7078718.

It is an arithmetic number, because the mean of its divisors is an integer number (3495544494).

Almost surely, 2^38465138718 is an apocalyptic number.

38465138718 is an abundant number, since it is smaller than the sum of its proper divisors (45427929138).

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

38465138718 is a wasteful number, since it uses less digits than its factorization.

38465138718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14152160 (or 14152157 counting only the distinct ones).

The product of its digits is 3870720, while the sum is 54.

The spelling of 38465138718 in words is "thirty-eight billion, four hundred sixty-five million, one hundred thirty-eight thousand, seven hundred eighteen".