2044044949401 has 81 divisors (see below), whose sum is σ = 3719781083421. Its totient is φ = 1077971678784.

The previous prime is 2044044949343. The next prime is 2044044949411. The reversal of 2044044949401 is 1049494404402.

It is a happy number.

The square root of 2044044949401 is 1429701.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 60047001 + 2043984902400 = 7749^2 + 1429680^2 .

It is not a de Polignac number, because 2044044949401 - 2¹¹ = 2044044947353 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2044044949411) by changing a digit.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 390305755 + ... + 390310991.

Almost surely, 2^{2044044949401} is an apocalyptic number.

2044044949401 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2044044949401 is the 1429701-st square number.

2044044949401 is the 714851-st centered octagonal number.

It is an amenable number.

2044044949401 is a deficient number, since it is larger than the sum of its proper divisors (1675736134020).

2044044949401 is an frugal number, since it uses more digits than its factorization.

2044044949401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10520 (or 5260 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 45.

The spelling of 2044044949401 in words is "two trillion, forty-four billion, forty-four million, nine hundred forty-nine thousand, four hundred one".