40953569 has 4 divisors (see below), whose sum is σ = 43109040. Its totient is φ = 38798100.

The previous prime is 40953559. The next prime is 40953599. The reversal of 40953569 is 96535904.

40953569 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 40953569 - 2⁴ = 40953553 is a prime.

It is a super-2 number, since 2×40953569² = 3354389627675522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40953559) 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 in 3 ways as a sum of consecutive naturals, for example, 1077707 + ... + 1077744.

It is an arithmetic number, because the mean of its divisors is an integer number (10777260).

Almost surely, 2^40953569 is an apocalyptic number.

It is an amenable number.

40953569 is a deficient number, since it is larger than the sum of its proper divisors (2155471).

40953569 is a wasteful number, since it uses less digits than its factorization.

40953569 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2155470.

The product of its (nonzero) digits is 145800, while the sum is 41.

The square root of 40953569 is about 6399.4975584025. The cubic root of 40953569 is about 344.6915088756.

The spelling of 40953569 in words is "forty million, nine hundred fifty-three thousand, five hundred sixty-nine".