40655194 has 8 divisors (see below), whose sum is σ = 64570068. Its totient is φ = 19131840.

The previous prime is 40655179. The next prime is 40655201. The reversal of 40655194 is 49155604.

40655194 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 39125025 + 1530169 = 6255^2 + 1237^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (34), and also a Moran number because the ratio is a prime number: 1195741 = 40655194 / (4 + 0 + 6 + 5 + 5 + 1 + 9 + 4).

It is an unprimeable number.

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, 597837 + ... + 597904.

Almost surely, 2^40655194 is an apocalyptic number.

40655194 is a deficient number, since it is larger than the sum of its proper divisors (23914874).

40655194 is a wasteful number, since it uses less digits than its factorization.

40655194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1195760.

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 40655194 is about 6376.1425642782. The cubic root of 40655194 is about 343.8523625070.

The spelling of 40655194 in words is "forty million, six hundred fifty-five thousand, one hundred ninety-four".