2028045006409 has 16 divisors (see below), whose sum is σ = 2054532712320. Its totient is φ = 2001781278720.

The previous prime is 2028045006401. The next prime is 2028045006419. The reversal of 2028045006409 is 9046005408202.

It is a cyclic number.

It is not a de Polignac number, because 2028045006409 - 2³ = 2028045006401 is a prime.

It is a super-2 number, since 2×2028045006409² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2028045006401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12962569 + ... + 13118089.

It is an arithmetic number, because the mean of its divisors is an integer number (128408294520).

Almost surely, 2^{2028045006409} is an apocalyptic number.

It is an amenable number.

2028045006409 is a deficient number, since it is larger than the sum of its proper divisors (26487705911).

2028045006409 is a wasteful number, since it uses less digits than its factorization.

2028045006409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156240.

The product of its (nonzero) digits is 138240, while the sum is 40.

The spelling of 2028045006409 in words is "two trillion, twenty-eight billion, forty-five million, six thousand, four hundred nine".