40055875 has 16 divisors (see below), whose sum is σ = 51607296. Its totient is φ = 31008000.

The previous prime is 40055861. The next prime is 40055879. The reversal of 40055875 is 57855004.

It is a de Polignac number, because none of the positive numbers 2^k-40055875 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40055875.

It is not an unprimeable number, because it can be changed into a prime (40055879) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1294 + ... + 9043.

It is an arithmetic number, because the mean of its divisors is an integer number (3225456).

Almost surely, 2^40055875 is an apocalyptic number.

40055875 is a deficient number, since it is larger than the sum of its proper divisors (11551421).

40055875 is a wasteful number, since it uses less digits than its factorization.

40055875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10383 (or 10373 counting only the distinct ones).

The product of its (nonzero) digits is 28000, while the sum is 34.

The square root of 40055875 is about 6328.9710854135. The cubic root of 40055875 is about 342.1543567560.

The spelling of 40055875 in words is "forty million, fifty-five thousand, eight hundred seventy-five".