42810875172004 has 9 divisors (see below), whose sum is σ = 74919054451521. Its totient is φ = 21405431043000.

The previous prime is 42810875171941. The next prime is 42810875172029. The reversal of 42810875172004 is 40027157801824.

It is a happy number.

The square root of 42810875172004 is 6543002.

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

It can be written as a sum of positive squares in only one way, i.e., 21772507874404 + 21038367297600 = 4666102^2 + 4586760^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 11450254 + ... + 14721754.

Almost surely, 2^{42810875172004} is an apocalyptic number.

42810875172004 is the 6543002-nd square number.

It is an amenable number.

42810875172004 is a deficient number, since it is larger than the sum of its proper divisors (32108179279517).

42810875172004 is an frugal number, since it uses more digits than its factorization.

42810875172004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6543006 (or 3271503 counting only the distinct ones).

The product of its (nonzero) digits is 1003520, while the sum is 49.

The spelling of 42810875172004 in words is "forty-two trillion, eight hundred ten billion, eight hundred seventy-five million, one hundred seventy-two thousand, four".