1601044044 has 24 divisors (see below), whose sum is σ = 3932389440. Its totient is φ = 505592784.

The previous prime is 1601044033. The next prime is 1601044079. The reversal of 1601044044 is 4404401061.

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, 3510834 + ... + 3511289.

It is an arithmetic number, because the mean of its divisors is an integer number (163849560).

Almost surely, 2^1601044044 is an apocalyptic number.

It is an amenable number.

1601044044 is an abundant number, since it is smaller than the sum of its proper divisors (2331345396).

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

1601044044 is a wasteful number, since it uses less digits than its factorization.

1601044044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7022149 (or 7022147 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 1601044044 is about 40013.0484217336. The cubic root of 1601044044 is about 1169.8614402354.

The spelling of 1601044044 in words is "one billion, six hundred one million, forty-four thousand, forty-four".