38158155434 has 48 divisors (see below), whose sum is σ = 67988575368. Its totient is φ = 16011330048.

The previous prime is 38158155367. The next prime is 38158155509. The reversal of 38158155434 is 43455185183.

It can be written as a sum of positive squares in 4 ways, for example, as 22711394209 + 15446761225 = 150703^2 + 124285^2 .

It is a super-2 number, since 2×38158155434² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 960632 + ... + 999564.

Almost surely, 2^38158155434 is an apocalyptic number.

38158155434 is a deficient number, since it is larger than the sum of its proper divisors (29830419934).

38158155434 is a wasteful number, since it uses less digits than its factorization.

38158155434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39159 (or 39152 counting only the distinct ones).

The product of its digits is 1152000, while the sum is 47.

The spelling of 38158155434 in words is "thirty-eight billion, one hundred fifty-eight million, one hundred fifty-five thousand, four hundred thirty-four".