3440400002 has 8 divisors (see below), whose sum is σ = 5557569276. Its totient is φ = 1587876912.

The previous prime is 3440400001. The next prime is 3440400011. The reversal of 3440400002 is 2000040443.

It can be written as a sum of positive squares in 2 ways, for example, as 2994387841 + 446012161 = 54721^2 + 21119^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (3440400001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66161513 + ... + 66161564.

Almost surely, 2^3440400002 is an apocalyptic number.

3440400002 is a deficient number, since it is larger than the sum of its proper divisors (2117169274).

3440400002 is a wasteful number, since it uses less digits than its factorization.

3440400002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132323092.

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 3440400002 is about 58654.9230840856. The cubic root of 3440400002 is about 1509.6269712879.

Adding to 3440400002 its reverse (2000040443), we get a palindrome (5440440445).

The spelling of 3440400002 in words is "three billion, four hundred forty million, four hundred thousand, two".