3440002120 has 16 divisors (see below), whose sum is σ = 7740004860. Its totient is φ = 1376000832.

The previous prime is 3440002103. The next prime is 3440002123. The reversal of 3440002120 is 212000443.

It can be written as a sum of positive squares in 2 ways, for example, as 2855619844 + 584382276 = 53438^2 + 24174^2 .

It is a super-2 number, since 2×3440002120² = 23667229171208988800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3440002094 and 3440002103.

It is not an unprimeable number, because it can be changed into a prime (3440002123) 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 3 ways as a sum of consecutive naturals, for example, 42999987 + ... + 43000066.

Almost surely, 2^3440002120 is an apocalyptic number.

It is an amenable number.

3440002120 is an abundant number, since it is smaller than the sum of its proper divisors (4300002740).

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

3440002120 is a wasteful number, since it uses less digits than its factorization.

3440002120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86000064 (or 86000060 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 3440002120 is about 58651.5312673079. The cubic root of 3440002120 is about 1509.5687729626.

Adding to 3440002120 its reverse (212000443), we get a palindrome (3652002563).

The spelling of 3440002120 in words is "three billion, four hundred forty million, two thousand, one hundred twenty".