3440687816 has 32 divisors (see below), whose sum is σ = 6522206400. Its totient is φ = 1701470400.

The previous prime is 3440687801. The next prime is 3440687839. The reversal of 3440687816 is 6187860443.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1035005 + ... + 1038323.

It is an arithmetic number, because the mean of its divisors is an integer number (203818950).

Almost surely, 2^3440687816 is an apocalyptic number.

It is an amenable number.

3440687816 is a deficient number, since it is larger than the sum of its proper divisors (3081518584).

3440687816 is a wasteful number, since it uses less digits than its factorization.

3440687816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4709 (or 4705 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 47.

The square root of 3440687816 is about 58657.3764841218. The cubic root of 3440687816 is about 1509.6690671354.

The spelling of 3440687816 in words is "three billion, four hundred forty million, six hundred eighty-seven thousand, eight hundred sixteen".