5644442156 has 6 divisors (see below), whose sum is σ = 9877773780. Its totient is φ = 2822221076.

The previous prime is 5644442143. The next prime is 5644442183. The reversal of 5644442156 is 6512444465.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 705555266 + ... + 705555273.

It is an arithmetic number, because the mean of its divisors is an integer number (1646295630).

Almost surely, 2^5644442156 is an apocalyptic number.

It is an amenable number.

5644442156 is a deficient number, since it is larger than the sum of its proper divisors (4233331624).

5644442156 is a wasteful number, since it uses less digits than its factorization.

5644442156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1411110543 (or 1411110541 counting only the distinct ones).

The product of its digits is 460800, while the sum is 41.

The square root of 5644442156 is about 75129.5025672339. The cubic root of 5644442156 is about 1780.4932938235.

The spelling of 5644442156 in words is "five billion, six hundred forty-four million, four hundred forty-two thousand, one hundred fifty-six".