3240040349 has 16 divisors (see below), whose sum is σ = 3994015872. Its totient is φ = 2559515328.

The previous prime is 3240040343. The next prime is 3240040393. The reversal of 3240040349 is 9430400423.

It is a cyclic number.

It is not a de Polignac number, because 3240040349 - 2⁴ = 3240040333 is a prime.

It is a super-2 number, since 2×3240040349² = 20995722926296083602, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3240040343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30827 + ... + 86199.

It is an arithmetic number, because the mean of its divisors is an integer number (249625992).

Almost surely, 2^3240040349 is an apocalyptic number.

It is an amenable number.

3240040349 is a deficient number, since it is larger than the sum of its proper divisors (753975523).

3240040349 is a wasteful number, since it uses less digits than its factorization.

3240040349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56036.

The product of its (nonzero) digits is 10368, while the sum is 29.

The square root of 3240040349 is about 56921.3523117643. The cubic root of 3240040349 is about 1479.7333871154.

The spelling of 3240040349 in words is "three billion, two hundred forty million, forty thousand, three hundred forty-nine".