28528420152 has 16 divisors (see below), whose sum is σ = 71321050440. Its totient is φ = 9509473376.

The previous prime is 28528420147. The next prime is 28528420157. The reversal of 28528420152 is 25102482582.

It is an interprime number because it is at equal distance from previous prime (28528420147) and next prime (28528420157).

It is a self number, because there is not a number n which added to its sum of digits gives 28528420152.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28528420157) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 594342063 + ... + 594342110.

Almost surely, 2^28528420152 is an apocalyptic number.

It is an amenable number.

28528420152 is an abundant number, since it is smaller than the sum of its proper divisors (42792630288).

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

28528420152 is a wasteful number, since it uses less digits than its factorization.

28528420152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1188684182 (or 1188684178 counting only the distinct ones).

The product of its (nonzero) digits is 102400, while the sum is 39.

The spelling of 28528420152 in words is "twenty-eight billion, five hundred twenty-eight million, four hundred twenty thousand, one hundred fifty-two".