42411695481 has 27 divisors (see below), whose sum is σ = 64673217999. Its totient is φ = 26778920112.

The previous prime is 42411695471. The next prime is 42411695483. The reversal of 42411695481 is 18459611424.

The square root of 42411695481 is 205941.

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

42411695481 is a `hidden beast` number, since 4 + 2 + 4 + 1 + 169 + 5 + 481 = 666.

It can be written as a sum of positive squares in only one way, i.e., 23474025 + 42388221456 = 4845^2 + 205884^2 .

It is not a de Polignac number, because 42411695481 - 2⁵ = 42411695449 is a prime.

It is a super-2 number, since 2×42411695481² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (42411695483) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 11736831 + ... + 11740443.

Almost surely, 2^42411695481 is an apocalyptic number.

42411695481 is the 205941-st square number.

42411695481 is the 102971-st centered octagonal number.

It is an amenable number.

42411695481 is a deficient number, since it is larger than the sum of its proper divisors (22261522518).

42411695481 is an frugal number, since it uses more digits than its factorization.

42411695481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7270 (or 3635 counting only the distinct ones).

The product of its digits is 276480, while the sum is 45.

The spelling of 42411695481 in words is "forty-two billion, four hundred eleven million, six hundred ninety-five thousand, four hundred eighty-one".