38128429202 has 8 divisors (see below), whose sum is σ = 57576487500. Its totient is φ = 18936266704.

The previous prime is 38128429187. The next prime is 38128429259. The reversal of 38128429202 is 20292482183.

It can be written as a sum of positive squares in 2 ways, for example, as 37728789121 + 399640081 = 194239^2 + 19991^2 .

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

It is a super-2 number, since 2×38128429202² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 38128429202.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63973577 + ... + 63974172.

Almost surely, 2^38128429202 is an apocalyptic number.

38128429202 is a deficient number, since it is larger than the sum of its proper divisors (19448058298).

38128429202 is a wasteful number, since it uses less digits than its factorization.

38128429202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127947900.

The product of its (nonzero) digits is 110592, while the sum is 41.

The spelling of 38128429202 in words is "thirty-eight billion, one hundred twenty-eight million, four hundred twenty-nine thousand, two hundred two".