28156010476 has 12 divisors (see below), whose sum is σ = 53752383720. Its totient is φ = 12798186560.

The previous prime is 28156010461. The next prime is 28156010497. The reversal of 28156010476 is 67401065182.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 319954621 + ... + 319954708.

It is an arithmetic number, because the mean of its divisors is an integer number (4479365310).

Almost surely, 2^28156010476 is an apocalyptic number.

It is an amenable number.

28156010476 is a deficient number, since it is larger than the sum of its proper divisors (25596373244).

28156010476 is a wasteful number, since it uses less digits than its factorization.

28156010476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 639909344 (or 639909342 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 40.

The spelling of 28156010476 in words is "twenty-eight billion, one hundred fifty-six million, ten thousand, four hundred seventy-six".