28545615486 has 40 divisors (see below), whose sum is σ = 66026668224. Its totient is φ = 9208261440.

The previous prime is 28545615481. The next prime is 28545615493. The reversal of 28545615486 is 68451654582.

28545615486 is a `hidden beast` number, since 2 + 8 + 545 + 6 + 15 + 4 + 86 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28545615481) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2837035 + ... + 2847078.

Almost surely, 2^28545615486 is an apocalyptic number.

28545615486 is an abundant number, since it is smaller than the sum of its proper divisors (37481052738).

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

28545615486 is a wasteful number, since it uses less digits than its factorization.

28545615486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5684158 (or 5684149 counting only the distinct ones).

The product of its digits is 9216000, while the sum is 54.

The spelling of 28545615486 in words is "twenty-eight billion, five hundred forty-five million, six hundred fifteen thousand, four hundred eighty-six".