40431117 has 16 divisors (see below), whose sum is σ = 57212352. Its totient is φ = 25309440.

The previous prime is 40431113. The next prime is 40431119. The reversal of 40431117 is 71113404.

40431117 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 40431117 - 2² = 40431113 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40431093 and 40431102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40431113) 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, 33942 + ... + 35112.

It is an arithmetic number, because the mean of its divisors is an integer number (3575772).

Almost surely, 2^40431117 is an apocalyptic number.

It is an amenable number.

40431117 is a deficient number, since it is larger than the sum of its proper divisors (16781235).

40431117 is a wasteful number, since it uses less digits than its factorization.

40431117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1868.

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 40431117 is about 6358.5467679337. The cubic root of 40431117 is about 343.2194675875.

The spelling of 40431117 in words is "forty million, four hundred thirty-one thousand, one hundred seventeen".