40755829 has 2 divisors, whose sum is σ = 40755830. Its totient is φ = 40755828.

The previous prime is 40755809. The next prime is 40755853. The reversal of 40755829 is 92855704.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40576900 + 178929 = 6370^2 + 423^2 .

It is a cyclic number.

It is not a de Polignac number, because 40755829 - 2²³ = 32367221 is a prime.

It is a super-2 number, since 2×40755829² = 3322075194954482, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40755791 and 40755800.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40755809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20377914 + 20377915.

It is an arithmetic number, because the mean of its divisors is an integer number (20377915).

Almost surely, 2^40755829 is an apocalyptic number.

It is an amenable number.

40755829 is a deficient number, since it is larger than the sum of its proper divisors (1).

40755829 is an equidigital number, since it uses as much as digits as its factorization.

40755829 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 100800, while the sum is 40.

The square root of 40755829 is about 6384.0292135923. The cubic root of 40755829 is about 344.1358446942.

The spelling of 40755829 in words is "forty million, seven hundred fifty-five thousand, eight hundred twenty-nine".