40193355 has 32 divisors (see below), whose sum is σ = 68580864. Its totient is φ = 20030976.

The previous prime is 40193353. The next prime is 40193371. The reversal of 40193355 is 55339104.

40193355 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40193355 - 2¹ = 40193353 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40193353) 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 31 ways as a sum of consecutive naturals, for example, 41082 + ... + 42048.

It is an arithmetic number, because the mean of its divisors is an integer number (2143152).

Almost surely, 2^40193355 is an apocalyptic number.

40193355 is a deficient number, since it is larger than the sum of its proper divisors (28387509).

40193355 is a wasteful number, since it uses less digits than its factorization.

40193355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1155.

The product of its (nonzero) digits is 8100, while the sum is 30.

The square root of 40193355 is about 6339.8229470546. The cubic root of 40193355 is about 342.5453578020.

The spelling of 40193355 in words is "forty million, one hundred ninety-three thousand, three hundred fifty-five".