4460040644 has 12 divisors (see below), whose sum is σ = 8264193084. Its totient is φ = 2098842624.

The previous prime is 4460040589. The next prime is 4460040659. The reversal of 4460040644 is 4460400644.

It can be written as a sum of positive squares in 2 ways, for example, as 4002080644 + 457960000 = 63262^2 + 21400^2 .

It is a super-2 number, since 2×4460040644² = 39783925092263869472, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4460040644.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32794349 + ... + 32794484.

It is an arithmetic number, because the mean of its divisors is an integer number (688682757).

Almost surely, 2^4460040644 is an apocalyptic number.

It is an amenable number.

4460040644 is a deficient number, since it is larger than the sum of its proper divisors (3804152440).

4460040644 is a wasteful number, since it uses less digits than its factorization.

4460040644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65588854 (or 65588852 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 32.

The square root of 4460040644 is about 66783.5357255065. The cubic root of 4460040644 is about 1646.0623144765.

Subtracting 4460040644 from its reverse (4460400644), we obtain a square (360000 = 600²).

The spelling of 4460040644 in words is "four billion, four hundred sixty million, forty thousand, six hundred forty-four".