40514309 has 16 divisors (see below), whose sum is σ = 45384000. Its totient is φ = 36154800.

The previous prime is 40514291. The next prime is 40514317. The reversal of 40514309 is 90341504.

It is not a de Polignac number, because 40514309 - 2⁸ = 40514053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40514809) 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, 80942 + ... + 81440.

It is an arithmetic number, because the mean of its divisors is an integer number (2836500).

Almost surely, 2^40514309 is an apocalyptic number.

It is an amenable number.

40514309 is a deficient number, since it is larger than the sum of its proper divisors (4869691).

40514309 is an equidigital number, since it uses as much as digits as its factorization.

40514309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 593 (or 571 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 40514309 is about 6365.0851526119. The cubic root of 40514309 is about 343.4547117473.

The spelling of 40514309 in words is "forty million, five hundred fourteen thousand, three hundred nine".