2029782715444 has 36 divisors (see below), whose sum is σ = 3906231984900. Its totient is φ = 922194676480.

The previous prime is 2029782715439. The next prime is 2029782715487. The reversal of 2029782715444 is 4445172879202.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1442088756900 + 587693958544 = 1200870^2 + 766612^2 .

It is a super-2 number, since 2×2029782715444² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45522 + ... + 2015350.

It is an arithmetic number, because the mean of its divisors is an integer number (108506444025).

Almost surely, 2^{2029782715444} is an apocalyptic number.

It is an amenable number.

2029782715444 is a deficient number, since it is larger than the sum of its proper divisors (1876449269456).

2029782715444 is a wasteful number, since it uses less digits than its factorization.

2029782715444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1971984 (or 1971971 counting only the distinct ones).

The product of its (nonzero) digits is 9031680, while the sum is 55.

The spelling of 2029782715444 in words is "two trillion, twenty-nine billion, seven hundred eighty-two million, seven hundred fifteen thousand, four hundred forty-four".