815080041 has 12 divisors (see below), whose sum is σ = 1206053940. Its totient is φ = 530133120.

The previous prime is 815080037. The next prime is 815080043. The reversal of 815080041 is 140080518.

It can be written as a sum of positive squares in 2 ways, for example, as 134652816 + 680427225 = 11604^2 + 26085^2 .

It is not a de Polignac number, because 815080041 - 2² = 815080037 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 815079987 and 815080014.

It is not an unprimeable number, because it can be changed into a prime (815080043) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1104076 + ... + 1104813.

It is an arithmetic number, because the mean of its divisors is an integer number (100504495).

Almost surely, 2^815080041 is an apocalyptic number.

It is an amenable number.

815080041 is a deficient number, since it is larger than the sum of its proper divisors (390973899).

815080041 is a wasteful number, since it uses less digits than its factorization.

815080041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2208936 (or 2208933 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 27.

The square root of 815080041 is about 28549.6066697949. The cubic root of 815080041 is about 934.1144411614.

The spelling of 815080041 in words is "eight hundred fifteen million, eighty thousand, forty-one".