38540940726 has 8 divisors (see below), whose sum is σ = 77081881464. Its totient is φ = 12846980240.

The previous prime is 38540940701. The next prime is 38540940751. The reversal of 38540940726 is 62704904583.

38540940726 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (38540940701) and next prime (38540940751).

It is a sphenic number, since it is the product of 3 distinct primes.

38540940726 is an admirable number.

It is a super-2 number, since 2×38540940726² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3211745055 + ... + 3211745066.

It is an arithmetic number, because the mean of its divisors is an integer number (9635235183).

Almost surely, 2^38540940726 is an apocalyptic number.

38540940726 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

38540940726 is a wasteful number, since it uses less digits than its factorization.

38540940726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6423490126.

The product of its (nonzero) digits is 1451520, while the sum is 48.

The spelling of 38540940726 in words is "thirty-eight billion, five hundred forty million, nine hundred forty thousand, seven hundred twenty-six".