40594691853 has 6 divisors (see below), whose sum is σ = 58636777134. Its totient is φ = 27063127896.

The previous prime is 40594691849. The next prime is 40594691887. The reversal of 40594691853 is 35819649504.

40594691853 is a `hidden beast` number, since 40 + 594 + 6 + 9 + 1 + 8 + 5 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 25766028324 + 14828663529 = 160518^2 + 121773^2 .

It is not a de Polignac number, because 40594691853 - 2² = 40594691849 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40594691853.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40594698853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2255260650 + ... + 2255260667.

It is an arithmetic number, because the mean of its divisors is an integer number (9772796189).

Almost surely, 2^40594691853 is an apocalyptic number.

It is an amenable number.

40594691853 is a deficient number, since it is larger than the sum of its proper divisors (18042085281).

40594691853 is a wasteful number, since it uses less digits than its factorization.

40594691853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4510521323 (or 4510521320 counting only the distinct ones).

The product of its (nonzero) digits is 4665600, while the sum is 54.

The spelling of 40594691853 in words is "forty billion, five hundred ninety-four million, six hundred ninety-one thousand, eight hundred fifty-three".