4445732444 has 24 divisors (see below), whose sum is σ = 8201883648. Its totient is φ = 2105388720.

The previous prime is 4445732429. The next prime is 4445732477. The reversal of 4445732444 is 4442375444.

It is a congruent 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, 375584 + ... + 387239.

It is an arithmetic number, because the mean of its divisors is an integer number (341745152).

Almost surely, 2^4445732444 is an apocalyptic number.

It is an amenable number.

4445732444 is a deficient number, since it is larger than the sum of its proper divisors (3756151204).

4445732444 is a wasteful number, since it uses less digits than its factorization.

4445732444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 762905 (or 762903 counting only the distinct ones).

The product of its digits is 860160, while the sum is 41.

The square root of 4445732444 is about 66676.3259635682. The cubic root of 4445732444 is about 1644.3001915498.

The spelling of 4445732444 in words is "four billion, four hundred forty-five million, seven hundred thirty-two thousand, four hundred forty-four".