38340129086 has 32 divisors (see below), whose sum is σ = 68332766400. Its totient is φ = 16121440608.

The previous prime is 38340129083. The next prime is 38340129101. The reversal of 38340129086 is 68092104383.

It is a super-2 number, since 2×38340129086² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38340129083) by changing a digit.

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, 490901 + ... + 563616.

It is an arithmetic number, because the mean of its divisors is an integer number (2135398950).

Almost surely, 2^38340129086 is an apocalyptic number.

38340129086 is a deficient number, since it is larger than the sum of its proper divisors (29992637314).

38340129086 is a wasteful number, since it uses less digits than its factorization.

38340129086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1054593 (or 1054579 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 44.

The spelling of 38340129086 in words is "thirty-eight billion, three hundred forty million, one hundred twenty-nine thousand, eighty-six".