28252582830 has 48 divisors (see below), whose sum is σ = 75165021360. Its totient is φ = 7358811264.

The previous prime is 28252582823. The next prime is 28252582861. The reversal of 28252582830 is 3828525282.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3646335 + ... + 3654074.

It is an arithmetic number, because the mean of its divisors is an integer number (1565937945).

Almost surely, 2^28252582830 is an apocalyptic number.

28252582830 is an abundant number, since it is smaller than the sum of its proper divisors (46912438530).

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

28252582830 is a wasteful number, since it uses less digits than its factorization.

28252582830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7300465 (or 7300462 counting only the distinct ones).

The product of its (nonzero) digits is 614400, while the sum is 45.

The spelling of 28252582830 in words is "twenty-eight billion, two hundred fifty-two million, five hundred eighty-two thousand, eight hundred thirty".