2028488445464 has 64 divisors (see below), whose sum is σ = 4245660545280. Its totient is φ = 902264832000.

The previous prime is 2028488445437. The next prime is 2028488445479. The reversal of 2028488445464 is 4645448848202.

It is a super-2 number, since 2×2028488445464² (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 15 ways as a sum of consecutive naturals, for example, 528377 + ... + 2082344.

It is an arithmetic number, because the mean of its divisors is an integer number (66338446020).

Almost surely, 2^{2028488445464} is an apocalyptic number.

It is an amenable number.

2028488445464 is an abundant number, since it is smaller than the sum of its proper divisors (2217172099816).

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

2028488445464 is a wasteful number, since it uses less digits than its factorization.

2028488445464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2611012 (or 2611008 counting only the distinct ones).

The product of its (nonzero) digits is 62914560, while the sum is 59.

The spelling of 2028488445464 in words is "two trillion, twenty-eight billion, four hundred eighty-eight million, four hundred forty-five thousand, four hundred sixty-four".