3442917640 has 16 divisors (see below), whose sum is σ = 7746564780. Its totient is φ = 1377167040.

The previous prime is 3442917631. The next prime is 3442917659. The reversal of 3442917640 is 467192443.

It can be written as a sum of positive squares in 2 ways, for example, as 3310161156 + 132756484 = 57534^2 + 11522^2 .

It is a Harshad number since it is a multiple of its sum of digits (40), and also a Moran number because the ratio is a prime number: 86072941 = 3442917640 / (3 + 4 + 4 + 2 + 9 + 1 + 7 + 6 + 4 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 3442917593 and 3442917602.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 43036431 + ... + 43036510.

Almost surely, 2^3442917640 is an apocalyptic number.

It is an amenable number.

3442917640 is an abundant number, since it is smaller than the sum of its proper divisors (4303647140).

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

3442917640 is a wasteful number, since it uses less digits than its factorization.

3442917640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86072952 (or 86072948 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 40.

The square root of 3442917640 is about 58676.3805973068. The cubic root of 3442917640 is about 1509.9951230052.

The spelling of 3442917640 in words is "three billion, four hundred forty-two million, nine hundred seventeen thousand, six hundred forty".