2027902368644 has 96 divisors (see below), whose sum is σ = 3671764992000. Its totient is φ = 979612343424.

The previous prime is 2027902368619. The next prime is 2027902368649. The reversal of 2027902368644 is 4468632097202.

It is a happy number.

It is a super-2 number, since 2×2027902368644² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2027902368649) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 3640758014 + ... + 3640758570.

It is an arithmetic number, because the mean of its divisors is an integer number (38247552000).

Almost surely, 2^{2027902368644} is an apocalyptic number.

It is an amenable number.

2027902368644 is a deficient number, since it is larger than the sum of its proper divisors (1643862623356).

2027902368644 is a wasteful number, since it uses less digits than its factorization.

2027902368644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1545 (or 1543 counting only the distinct ones).

The product of its (nonzero) digits is 6967296, while the sum is 53.

The spelling of 2027902368644 in words is "two trillion, twenty-seven billion, nine hundred two million, three hundred sixty-eight thousand, six hundred forty-four".