3368140040 has 32 divisors (see below), whose sum is σ = 7839639000. Its totient is φ = 1300798464.

The previous prime is 3368139989. The next prime is 3368140043. The reversal of 3368140040 is 400418633.

It can be written as a sum of positive squares in 4 ways, for example, as 3235106884 + 133033156 = 56878^2 + 11534^2 .

It is a super-2 number, since 2×3368140040² = 22688734658102403200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a junction number, because it is equal to n+sod(n) for n = 3368139985 and 3368140012.

It is not an unprimeable number, because it can be changed into a prime (3368140043) 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 7 ways as a sum of consecutive naturals, for example, 1450625 + ... + 1452944.

Almost surely, 2^3368140040 is an apocalyptic number.

It is an amenable number.

3368140040 is an abundant number, since it is smaller than the sum of its proper divisors (4471498960).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3368140040 is a wasteful number, since it uses less digits than its factorization.

3368140040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2903609 (or 2903605 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 3368140040 is about 58035.6790259234. The cubic root of 3368140040 is about 1498.9830202870.

Adding to 3368140040 its reverse (400418633), we get a palindrome (3768558673).

The spelling of 3368140040 in words is "three billion, three hundred sixty-eight million, one hundred forty thousand, forty".