28995940458 has 24 divisors (see below), whose sum is σ = 64851136896. Its totient is φ = 9353529000.

The previous prime is 28995940453. The next prime is 28995940481. The reversal of 28995940458 is 85404959982.

28995940458 is a `hidden beast` number, since 2 + 8 + 9 + 95 + 94 + 0 + 458 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 28995940395 and 28995940404.

It is not an unprimeable number, because it can be changed into a prime (28995940453) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25981468 + ... + 25982583.

It is an arithmetic number, because the mean of its divisors is an integer number (2702130704).

Almost surely, 2^28995940458 is an apocalyptic number.

28995940458 is an abundant number, since it is smaller than the sum of its proper divisors (35855196438).

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

28995940458 is a wasteful number, since it uses less digits than its factorization.

28995940458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51964090 (or 51964087 counting only the distinct ones).

The product of its (nonzero) digits is 37324800, while the sum is 63.

The spelling of 28995940458 in words is "twenty-eight billion, nine hundred ninety-five million, nine hundred forty thousand, four hundred fifty-eight".