28202949456730 has 16 divisors (see below), whose sum is σ = 50858115812640. Its totient is φ = 11260556051472.

The previous prime is 28202949456727. The next prime is 28202949456769. The reversal of 28202949456730 is 3765494920282.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2577960660 + ... + 2577971599.

It is an arithmetic number, because the mean of its divisors is an integer number (3178632238290).

Almost surely, 2^{28202949456730} is an apocalyptic number.

28202949456730 is a deficient number, since it is larger than the sum of its proper divisors (22655166355910).

28202949456730 is a wasteful number, since it uses less digits than its factorization.

28202949456730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5155932813.

The product of its (nonzero) digits is 52254720, while the sum is 61.

The spelling of 28202949456730 in words is "twenty-eight trillion, two hundred two billion, nine hundred forty-nine million, four hundred fifty-six thousand, seven hundred thirty".