42162872896 has 21 divisors (see below), whose sum is σ = 83670210739. Its totient is φ = 21080615104.

The previous prime is 42162872879. The next prime is 42162872903. The reversal of 42162872896 is 69827826124.

The square root of 42162872896 is 205336.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

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 2 ways as a sum of consecutive naturals, for example, 1629855 + ... + 1655521.

Almost surely, 2^42162872896 is an apocalyptic number.

42162872896 is the 205336-th square number.

It is an amenable number.

42162872896 is a deficient number, since it is larger than the sum of its proper divisors (41507337843).

42162872896 is an frugal number, since it uses more digits than its factorization.

42162872896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51346 (or 25669 counting only the distinct ones).

The product of its digits is 4644864, while the sum is 55.

The spelling of 42162872896 in words is "forty-two billion, one hundred sixty-two million, eight hundred seventy-two thousand, eight hundred ninety-six".