38918143734 has 32 divisors (see below), whose sum is σ = 79257515904. Its totient is φ = 12737761920.

The previous prime is 38918143729. The next prime is 38918143757. The reversal of 38918143734 is 43734181983.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 158547 + ... + 320894.

It is an arithmetic number, because the mean of its divisors is an integer number (2476797372).

Almost surely, 2^38918143734 is an apocalyptic number.

38918143734 is an abundant number, since it is smaller than the sum of its proper divisors (40339372170).

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

38918143734 is a wasteful number, since it uses less digits than its factorization.

38918143734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 479692.

The product of its digits is 1741824, while the sum is 51.

It can be divided in two parts, 389181 and 43734, that added together give a triangular number (432915 = T₉₃₀).

The spelling of 38918143734 in words is "thirty-eight billion, nine hundred eighteen million, one hundred forty-three thousand, seven hundred thirty-four".