2051444402244 has 36 divisors (see below), whose sum is σ = 5490630607644. Its totient is φ = 643590400512.

The previous prime is 2051444402207. The next prime is 2051444402251. The reversal of 2051444402244 is 4422044441502.

2051444402244 is a `hidden beast` number, since 2 + 0 + 5 + 1 + 4 + 4 + 4 + 402 + 244 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1486448640000 + 564995762244 = 1219200^2 + 751662^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 2051444402199 and 2051444402208.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1676016057 + ... + 1676017280.

It is an arithmetic number, because the mean of its divisors is an integer number (152517516879).

Almost surely, 2^{2051444402244} is an apocalyptic number.

It is an amenable number.

2051444402244 is an abundant number, since it is smaller than the sum of its proper divisors (3439186205400).

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

2051444402244 is a wasteful number, since it uses less digits than its factorization.

2051444402244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3352033364 (or 3352033359 counting only the distinct ones).

The product of its (nonzero) digits is 163840, while the sum is 36.

Adding to 2051444402244 its reverse (4422044441502), we get a palindrome (6473488843746).

The spelling of 2051444402244 in words is "two trillion, fifty-one billion, four hundred forty-four million, four hundred two thousand, two hundred forty-four".