8152580042 has 4 divisors (see below), whose sum is σ = 12228870066. Its totient is φ = 4076290020.

The previous prime is 8152580039. The next prime is 8152580071. The reversal of 8152580042 is 2400852518.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 4635022561 + 3517557481 = 68081^2 + 59309^2 .

It is a super-2 number, since 2×8152580042² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 8152579984 and 8152580011.

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 as a sum of consecutive naturals, namely, 2038145009 + ... + 2038145012.

Almost surely, 2^8152580042 is an apocalyptic number.

8152580042 is a deficient number, since it is larger than the sum of its proper divisors (4076290024).

8152580042 is a wasteful number, since it uses less digits than its factorization.

8152580042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4076290023.

The product of its (nonzero) digits is 25600, while the sum is 35.

The square root of 8152580042 is about 90291.6388266378. The cubic root of 8152580042 is about 2012.6350136238.

The spelling of 8152580042 in words is "eight billion, one hundred fifty-two million, five hundred eighty thousand, forty-two".