38065746040 has 96 divisors (see below), whose sum is σ = 99741974400. Its totient is φ = 13036611840.

The previous prime is 38065746031. The next prime is 38065746041. The reversal of 38065746040 is 4064756083.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38065746041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1834041 + ... + 1854679.

It is an arithmetic number, because the mean of its divisors is an integer number (1038978900).

Almost surely, 2^38065746040 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 38065746040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49870987200).

38065746040 is an abundant number, since it is smaller than the sum of its proper divisors (61676228360).

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

38065746040 is a wasteful number, since it uses less digits than its factorization.

38065746040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21605 (or 21594 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 43.

The spelling of 38065746040 in words is "thirty-eight billion, sixty-five million, seven hundred forty-six thousand, forty".