4440043156 has 6 divisors (see below), whose sum is σ = 7770075530. Its totient is φ = 2220021576.

The previous prime is 4440043117. The next prime is 4440043163. The reversal of 4440043156 is 6513400444.

It can be written as a sum of positive squares in only one way, i.e., 4051322500 + 388720656 = 63650^2 + 19716^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555005391 + ... + 555005398.

Almost surely, 2^4440043156 is an apocalyptic number.

It is an amenable number.

4440043156 is a deficient number, since it is larger than the sum of its proper divisors (3330032374).

4440043156 is a wasteful number, since it uses less digits than its factorization.

4440043156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1110010793 (or 1110010791 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 31.

The square root of 4440043156 is about 66633.6488270003. The cubic root of 4440043156 is about 1643.5984781013.

The spelling of 4440043156 in words is "four billion, four hundred forty million, forty-three thousand, one hundred fifty-six".