4440062644 has 12 divisors (see below), whose sum is σ = 7770661668. Its totient is φ = 2219873600.

The previous prime is 4440062629. The next prime is 4440062657. The reversal of 4440062644 is 4462600444.

It can be written as a sum of positive squares in 2 ways, for example, as 557526544 + 3882536100 = 23612^2 + 62310^2 .

It is a congruent number.

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, 43104 + ... + 103624.

It is an arithmetic number, because the mean of its divisors is an integer number (647555139).

Almost surely, 2^4440062644 is an apocalyptic number.

It is an amenable number.

4440062644 is a deficient number, since it is larger than the sum of its proper divisors (3330599024).

4440062644 is a wasteful number, since it uses less digits than its factorization.

4440062644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78866 (or 78864 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 34.

The square root of 4440062644 is about 66633.7950592640. The cubic root of 4440062644 is about 1643.6008827626.

The spelling of 4440062644 in words is "four billion, four hundred forty million, sixty-two thousand, six hundred forty-four".