40093995 has 16 divisors (see below), whose sum is σ = 64235520. Its totient is φ = 21355104.

The previous prime is 40093993. The next prime is 40094003. The reversal of 40093995 is 59939004.

It is a happy number.

40093995 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 40093995 - 2¹ = 40093993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40093993) 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 15 ways as a sum of consecutive naturals, for example, 15076 + ... + 17534.

It is an arithmetic number, because the mean of its divisors is an integer number (4014720).

Almost surely, 2^40093995 is an apocalyptic number.

40093995 is a deficient number, since it is larger than the sum of its proper divisors (24141525).

40093995 is a wasteful number, since it uses less digits than its factorization.

40093995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3554.

The product of its (nonzero) digits is 43740, while the sum is 39.

The square root of 40093995 is about 6331.9819172199. The cubic root of 40093995 is about 342.2628617610.

It can be divided in two parts, 400 and 93995, that added together give a triangular number (94395 = T₄₃₄).

The spelling of 40093995 in words is "forty million, ninety-three thousand, nine hundred ninety-five".