28440480862 has 4 divisors (see below), whose sum is σ = 42660721296. Its totient is φ = 14220240430.

The previous prime is 28440480857. The next prime is 28440480907. The reversal of 28440480862 is 26808404482.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7110120214 + ... + 7110120217.

It is an arithmetic number, because the mean of its divisors is an integer number (10665180324).

Almost surely, 2^28440480862 is an apocalyptic number.

28440480862 is a deficient number, since it is larger than the sum of its proper divisors (14220240434).

28440480862 is a wasteful number, since it uses less digits than its factorization.

28440480862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14220240433.

The product of its (nonzero) digits is 786432, while the sum is 46.

The spelling of 28440480862 in words is "twenty-eight billion, four hundred forty million, four hundred eighty thousand, eight hundred sixty-two".