40393775 has 12 divisors (see below), whose sum is σ = 51705024. Its totient is φ = 31272000.

The previous prime is 40393763. The next prime is 40393777. The reversal of 40393775 is 57739304.

40393775 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 40393775 - 2⁶ = 40393711 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40393777) 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 11 ways as a sum of consecutive naturals, for example, 25286 + ... + 26835.

It is an arithmetic number, because the mean of its divisors is an integer number (4308752).

Almost surely, 2^40393775 is an apocalyptic number.

40393775 is a deficient number, since it is larger than the sum of its proper divisors (11311249).

40393775 is a wasteful number, since it uses less digits than its factorization.

40393775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52162 (or 52157 counting only the distinct ones).

The product of its (nonzero) digits is 79380, while the sum is 38.

The square root of 40393775 is about 6355.6097268476. The cubic root of 40393775 is about 343.1137697150.

The spelling of 40393775 in words is "forty million, three hundred ninety-three thousand, seven hundred seventy-five".