1005500038 has 4 divisors (see below), whose sum is σ = 1508250060. Its totient is φ = 502750018.

The previous prime is 1005499997. The next prime is 1005500053. The reversal of 1005500038 is 8300055001.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×1005500038² = 2022060652836002888, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1005499991 and 1005500018.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 251375008 + ... + 251375011.

It is an arithmetic number, because the mean of its divisors is an integer number (377062515).

Almost surely, 2^1005500038 is an apocalyptic number.

1005500038 is a deficient number, since it is larger than the sum of its proper divisors (502750022).

1005500038 is an equidigital number, since it uses as much as digits as its factorization.

1005500038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 502750021.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 1005500038 is about 31709.6205906031. The cubic root of 1005500038 is about 1001.8299950752.

Adding to 1005500038 its reverse (8300055001), we get a palindrome (9305555039).

The spelling of 1005500038 in words is "one billion, five million, five hundred thousand, thirty-eight".