28155548202 has 32 divisors (see below), whose sum is σ = 59339558400. Its totient is φ = 8881517808.

The previous prime is 28155548173. The next prime is 28155548203. The reversal of 28155548202 is 20284555182.

It is not an unprimeable number, because it can be changed into a prime (28155548203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29608 + ... + 239139.

It is an arithmetic number, because the mean of its divisors is an integer number (1854361200).

Almost surely, 2^28155548202 is an apocalyptic number.

28155548202 is an abundant number, since it is smaller than the sum of its proper divisors (31184010198).

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

28155548202 is a wasteful number, since it uses less digits than its factorization.

28155548202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269690.

The product of its (nonzero) digits is 256000, while the sum is 42.

The spelling of 28155548202 in words is "twenty-eight billion, one hundred fifty-five million, five hundred forty-eight thousand, two hundred two".