28485305045 has 16 divisors (see below), whose sum is σ = 34355985408. Its totient is φ = 22672792320.

The previous prime is 28485305011. The next prime is 28485305059. The reversal of 28485305045 is 54050358482.

It is not a de Polignac number, because 28485305045 - 2²⁰ = 28484256469 is a prime.

It is a super-2 number, since 2×28485305045² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 28485304987 and 28485305005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 772877 + ... + 808893.

It is an arithmetic number, because the mean of its divisors is an integer number (2147249088).

Almost surely, 2^28485305045 is an apocalyptic number.

It is an amenable number.

28485305045 is a deficient number, since it is larger than the sum of its proper divisors (5870680363).

28485305045 is a wasteful number, since it uses less digits than its factorization.

28485305045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36820.

The product of its (nonzero) digits is 768000, while the sum is 44.

The spelling of 28485305045 in words is "twenty-eight billion, four hundred eighty-five million, three hundred five thousand, forty-five".