1040810049 has 12 divisors (see below), whose sum is σ = 1508823316. Its totient is φ = 691366752.

The previous prime is 1040810033. The next prime is 1040810077. The reversal of 1040810049 is 9400180401.

It can be written as a sum of positive squares in 2 ways, for example, as 624650049 + 416160000 = 24993^2 + 20400^2 .

It is not a de Polignac number, because 1040810049 - 2⁴ = 1040810033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1040810249) 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, 206254 + ... + 211239.

Almost surely, 2^1040810049 is an apocalyptic number.

It is an amenable number.

1040810049 is a deficient number, since it is larger than the sum of its proper divisors (468013267).

1040810049 is a wasteful number, since it uses less digits than its factorization.

1040810049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417776 (or 417773 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 1040810049 is about 32261.5878251521. The cubic root of 1040810049 is about 1013.4223832345.

The spelling of 1040810049 in words is "one billion, forty million, eight hundred ten thousand, forty-nine".