80649041 has 12 divisors (see below), whose sum is σ = 89655300. Its totient is φ = 72483840.

The previous prime is 80649031. The next prime is 80649043. The reversal of 80649041 is 14094608.

It can be written as a sum of positive squares in 2 ways, for example, as 27300625 + 53348416 = 5225^2 + 7304^2 .

It is a de Polignac number, because none of the positive numbers 2^k-80649041 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 80648989 and 80649007.

It is not an unprimeable number, because it can be changed into a prime (80649043) 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, 7025 + ... + 14513.

It is an arithmetic number, because the mean of its divisors is an integer number (7471275).

Almost surely, 2^80649041 is an apocalyptic number.

It is an amenable number.

80649041 is a deficient number, since it is larger than the sum of its proper divisors (9006259).

80649041 is a wasteful number, since it uses less digits than its factorization.

80649041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7600 (or 7589 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 80649041 is about 8980.4811118336. The cubic root of 80649041 is about 432.0490645719.

The spelling of 80649041 in words is "eighty million, six hundred forty-nine thousand, forty-one".