28162486252 has 24 divisors (see below), whose sum is σ = 51696433152. Its totient is φ = 13398488400.

The previous prime is 28162486217. The next prime is 28162486267. The reversal of 28162486252 is 25268426182.

It is a Harshad number since it is a multiple of its sum of digits (46).

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, 783774 + ... + 818917.

It is an arithmetic number, because the mean of its divisors is an integer number (2154018048).

Almost surely, 2^28162486252 is an apocalyptic number.

It is an amenable number.

28162486252 is a deficient number, since it is larger than the sum of its proper divisors (23533946900).

28162486252 is a wasteful number, since it uses less digits than its factorization.

28162486252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1602909 (or 1602907 counting only the distinct ones).

The product of its digits is 737280, while the sum is 46.

The spelling of 28162486252 in words is "twenty-eight billion, one hundred sixty-two million, four hundred eighty-six thousand, two hundred fifty-two".