28435210548 has 72 divisors (see below), whose sum is σ = 72386503392. Its totient is φ = 8679707136.

The previous prime is 28435210547. The next prime is 28435210577. The reversal of 28435210548 is 84501253482.

It is a super-2 number, since 2×28435210548² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28435210543) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17515 + ... + 239117.

Almost surely, 2^28435210548 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28435210548, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36193251696).

28435210548 is an abundant number, since it is smaller than the sum of its proper divisors (43951292844).

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

28435210548 is a wasteful number, since it uses less digits than its factorization.

28435210548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221681 (or 221662 counting only the distinct ones).

The product of its (nonzero) digits is 307200, while the sum is 42.

The spelling of 28435210548 in words is "twenty-eight billion, four hundred thirty-five million, two hundred ten thousand, five hundred forty-eight".