40309041 has 16 divisors (see below), whose sum is σ = 56232576. Its totient is φ = 25635456.

The previous prime is 40309019. The next prime is 40309063. The reversal of 40309041 is 14090304.

It is an interprime number because it is at equal distance from previous prime (40309019) and next prime (40309063).

It is not a de Polignac number, because 40309041 - 2⁷ = 40308913 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40308999 and 40309017.

It is not an unprimeable number, because it can be changed into a prime (40309001) 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, 41821 + ... + 42773.

It is an arithmetic number, because the mean of its divisors is an integer number (3514536).

Almost surely, 2^40309041 is an apocalyptic number.

It is an amenable number.

40309041 is a deficient number, since it is larger than the sum of its proper divisors (15923535).

40309041 is a wasteful number, since it uses less digits than its factorization.

40309041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1592.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 40309041 is about 6348.9401477727. The cubic root of 40309041 is about 342.8736852385.

Adding to 40309041 its reverse (14090304), we get a palindrome (54399345).

The spelling of 40309041 in words is "forty million, three hundred nine thousand, forty-one".