28014611436 has 144 divisors (see below), whose sum is σ = 85431528000. Its totient is φ = 7728069888.

The previous prime is 28014611341. The next prime is 28014611459. The reversal of 28014611436 is 63411641082.

28014611436 is a `hidden beast` number, since 2 + 8 + 0 + 1 + 4 + 611 + 4 + 36 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 28014611436.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 318976 + ... + 397208.

It is an arithmetic number, because the mean of its divisors is an integer number (593274500).

Almost surely, 2^28014611436 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 28014611436, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42715764000).

28014611436 is an abundant number, since it is smaller than the sum of its proper divisors (57416916564).

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

28014611436 is a wasteful number, since it uses less digits than its factorization.

28014611436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78293 (or 78274 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The spelling of 28014611436 in words is "twenty-eight billion, fourteen million, six hundred eleven thousand, four hundred thirty-six".