40527769 has 2 divisors, whose sum is σ = 40527770. Its totient is φ = 40527768.

The previous prime is 40527763. The next prime is 40527811. The reversal of 40527769 is 96772504.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40487769 + 40000 = 6363^2 + 200^2 .

It is a cyclic number.

It is not a de Polignac number, because 40527769 - 2¹¹ = 40525721 is a prime.

It is a super-2 number, since 2×40527769² = 3285000120234722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (40527763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20263884 + 20263885.

It is an arithmetic number, because the mean of its divisors is an integer number (20263885).

Almost surely, 2^40527769 is an apocalyptic number.

It is an amenable number.

40527769 is a deficient number, since it is larger than the sum of its proper divisors (1).

40527769 is an equidigital number, since it uses as much as digits as its factorization.

40527769 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 105840, while the sum is 40.

The square root of 40527769 is about 6366.1423955171. The cubic root of 40527769 is about 343.4927426610.

The spelling of 40527769 in words is "forty million, five hundred twenty-seven thousand, seven hundred sixty-nine".