40440107 has 4 divisors (see below), whose sum is σ = 40452840. Its totient is φ = 40427376.

The previous prime is 40440091. The next prime is 40440119. The reversal of 40440107 is 70104404.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 40440107 - 2⁴ = 40440091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40440157) 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 3 ways as a sum of consecutive naturals, for example, 2744 + ... + 9402.

It is an arithmetic number, because the mean of its divisors is an integer number (10113210).

Almost surely, 2^40440107 is an apocalyptic number.

40440107 is a deficient number, since it is larger than the sum of its proper divisors (12733).

40440107 is an equidigital number, since it uses as much as digits as its factorization.

40440107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12732.

The product of its (nonzero) digits is 448, while the sum is 20.

The square root of 40440107 is about 6359.2536511764. The cubic root of 40440107 is about 343.2449043845.

The spelling of 40440107 in words is "forty million, four hundred forty thousand, one hundred seven".