40112755 has 4 divisors (see below), whose sum is σ = 48135312. Its totient is φ = 32090200.

The previous prime is 40112749. The next prime is 40112767. The reversal of 40112755 is 55721104.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 40112755 - 2⁹ = 40112243 is a prime.

It is a super-2 number, since 2×40112755² = 3218066227380050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 4011271 + ... + 4011280.

It is an arithmetic number, because the mean of its divisors is an integer number (12033828).

Almost surely, 2^40112755 is an apocalyptic number.

40112755 is a deficient number, since it is larger than the sum of its proper divisors (8022557).

40112755 is an equidigital number, since it uses as much as digits as its factorization.

40112755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8022556.

The product of its (nonzero) digits is 1400, while the sum is 25.

The square root of 40112755 is about 6333.4631127054. The cubic root of 40112755 is about 342.3162350912.

Adding to 40112755 its reverse (55721104), we get a palindrome (95833859).

The spelling of 40112755 in words is "forty million, one hundred twelve thousand, seven hundred fifty-five".