28841142498 has 32 divisors (see below), whose sum is σ = 69800413824. Its totient is φ = 7755601152.

The previous prime is 28841142443. The next prime is 28841142503. The reversal of 28841142498 is 89424114882.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a self number, because there is not a number n which added to its sum of digits gives 28841142498.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20196165 + ... + 20197592.

It is an arithmetic number, because the mean of its divisors is an integer number (2181262932).

Almost surely, 2^28841142498 is an apocalyptic number.

28841142498 is an abundant number, since it is smaller than the sum of its proper divisors (40959271326).

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

28841142498 is a wasteful number, since it uses less digits than its factorization.

28841142498 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40393786.

The product of its digits is 1179648, while the sum is 51.

The spelling of 28841142498 in words is "twenty-eight billion, eight hundred forty-one million, one hundred forty-two thousand, four hundred ninety-eight".