40052669 has 2 divisors, whose sum is σ = 40052670. Its totient is φ = 40052668.

The previous prime is 40052659. The next prime is 40052699. The reversal of 40052669 is 96625004.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31787044 + 8265625 = 5638^2 + 2875^2 .

It is a cyclic number.

It is not a de Polignac number, because 40052669 - 2¹² = 40048573 is a prime.

It is a super-2 number, since 2×40052669² = 3208432588047122, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen 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 (40052609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20026334 + 20026335.

It is an arithmetic number, because the mean of its divisors is an integer number (20026335).

Almost surely, 2^40052669 is an apocalyptic number.

It is an amenable number.

40052669 is a deficient number, since it is larger than the sum of its proper divisors (1).

40052669 is an equidigital number, since it uses as much as digits as its factorization.

40052669 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 40052669 is about 6328.7178006291. The cubic root of 40052669 is about 342.1452280399.

The spelling of 40052669 in words is "forty million, fifty-two thousand, six hundred sixty-nine".