1024040669 has 2 divisors, whose sum is σ = 1024040670. Its totient is φ = 1024040668.

The previous prime is 1024040659. The next prime is 1024040681. The reversal of 1024040669 is 9660404201.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 963792025 + 60248644 = 31045^2 + 7762^2 .

It is a cyclic number.

It is not a de Polignac number, because 1024040669 - 2¹⁶ = 1023975133 is a prime.

It is a super-2 number, since 2×1024040669² = 2097318583531935122, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1024040629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 512020334 + 512020335.

It is an arithmetic number, because the mean of its divisors is an integer number (512020335).

Almost surely, 2^1024040669 is an apocalyptic number.

It is an amenable number.

1024040669 is a deficient number, since it is larger than the sum of its proper divisors (1).

1024040669 is an equidigital number, since it uses as much as digits as its factorization.

1024040669 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 1024040669 is about 32000.6354468157. The cubic root of 1024040669 is about 1007.9501834187.

The spelling of 1024040669 in words is "one billion, twenty-four million, forty thousand, six hundred sixty-nine".