40992569 has 2 divisors, whose sum is σ = 40992570. Its totient is φ = 40992568.

The previous prime is 40992541. The next prime is 40992577. The reversal of 40992569 is 96529904.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26832400 + 14160169 = 5180^2 + 3763^2 .

It is a cyclic number.

It is not a de Polignac number, because 40992569 - 2⁸ = 40992313 is a prime.

It is a super-2 number, since 2×40992569² = 3360781426439522, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (40992269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20496284 + 20496285.

It is an arithmetic number, because the mean of its divisors is an integer number (20496285).

Almost surely, 2^40992569 is an apocalyptic number.

It is an amenable number.

40992569 is a deficient number, since it is larger than the sum of its proper divisors (1).

40992569 is an equidigital number, since it uses as much as digits as its factorization.

40992569 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 174960, while the sum is 44.

The square root of 40992569 is about 6402.5439475259. The cubic root of 40992569 is about 344.8008905013.

The spelling of 40992569 in words is "forty million, nine hundred ninety-two thousand, five hundred sixty-nine".