28062648450 has 288 divisors, whose sum is σ = 82294482816. Its totient is φ = 7096066560.

The previous prime is 28062648407. The next prime is 28062648461. The reversal of 28062648450 is 5484626082.

28062648450 is a `hidden beast` number, since 2 + 80 + 62 + 64 + 8 + 450 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 28062648396 and 28062648405.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 38284284 + ... + 38285016.

It is an arithmetic number, because the mean of its divisors is an integer number (285744732).

Almost surely, 2^28062648450 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28062648450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41147241408).

28062648450 is an abundant number, since it is smaller than the sum of its proper divisors (54231834366).

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

28062648450 is a wasteful number, since it uses less digits than its factorization.

28062648450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 920 (or 903 counting only the distinct ones).

The product of its (nonzero) digits is 737280, while the sum is 45.

The spelling of 28062648450 in words is "twenty-eight billion, sixty-two million, six hundred forty-eight thousand, four hundred fifty".