4044156544 has 32 divisors (see below), whose sum is σ = 8118253440. Its totient is φ = 2006634240.

The previous prime is 4044156541. The next prime is 4044156559. The reversal of 4044156544 is 4456514404.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (32).

It is not an unprimeable number, because it can be changed into a prime (4044156541) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103824 + ... + 137359.

It is an arithmetic number, because the mean of its divisors is an integer number (253695420).

Almost surely, 2^4044156544 is an apocalyptic number.

It is an amenable number.

4044156544 is an abundant number, since it is smaller than the sum of its proper divisors (4074096896).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4044156544 is a wasteful number, since it uses less digits than its factorization.

4044156544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241328 (or 241316 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 37.

The square root of 4044156544 is about 63593.6832083187. The cubic root of 4044156544 is about 1593.2208676689.

The spelling of 4044156544 in words is "four billion, forty-four million, one hundred fifty-six thousand, five hundred forty-four".