40975969 has 2 divisors, whose sum is σ = 40975970. Its totient is φ = 40975968.

The previous prime is 40975937. The next prime is 40975973. The reversal of 40975969 is 96957904.

40975969 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38588944 + 2387025 = 6212^2 + 1545^2 .

It is a cyclic number.

It is not a de Polignac number, because 40975969 - 2⁵ = 40975937 is a prime.

It is a super-2 number, since 2×40975969² = 3358060070977922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (40975919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20487984 + 20487985.

It is an arithmetic number, because the mean of its divisors is an integer number (20487985).

Almost surely, 2^40975969 is an apocalyptic number.

It is an amenable number.

40975969 is a deficient number, since it is larger than the sum of its proper divisors (1).

40975969 is an equidigital number, since it uses as much as digits as its factorization.

40975969 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 612360, while the sum is 49.

The square root of 40975969 is about 6401.2474565509. The cubic root of 40975969 is about 344.7543416779.

The spelling of 40975969 in words is "forty million, nine hundred seventy-five thousand, nine hundred sixty-nine".