40103439 has 4 divisors (see below), whose sum is σ = 53471256. Its totient is φ = 26735624.

The previous prime is 40103431. The next prime is 40103447. The reversal of 40103439 is 93430104.

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

It is an interprime number because it is at equal distance from previous prime (40103431) and next prime (40103447).

It is a cyclic number.

It is not a de Polignac number, because 40103439 - 2³ = 40103431 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40103431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6683904 + ... + 6683909.

It is an arithmetic number, because the mean of its divisors is an integer number (13367814).

Almost surely, 2^40103439 is an apocalyptic number.

40103439 is a deficient number, since it is larger than the sum of its proper divisors (13367817).

40103439 is a wasteful number, since it uses less digits than its factorization.

40103439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13367816.

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 40103439 is about 6332.7276113852. The cubic root of 40103439 is about 342.2897325905.

The spelling of 40103439 in words is "forty million, one hundred three thousand, four hundred thirty-nine".