28336461090 has 128 divisors (see below), whose sum is σ = 80360128512. Its totient is φ = 6257813760.

The previous prime is 28336461079. The next prime is 28336461103. The reversal of 28336461090 is 9016463382.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4443144 + ... + 4449516.

It is an arithmetic number, because the mean of its divisors is an integer number (627813504).

Almost surely, 2^28336461090 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28336461090, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40180064256).

28336461090 is an abundant number, since it is smaller than the sum of its proper divisors (52023667422).

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

28336461090 is a wasteful number, since it uses less digits than its factorization.

28336461090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7104.

The product of its (nonzero) digits is 186624, while the sum is 42.

The spelling of 28336461090 in words is "twenty-eight billion, three hundred thirty-six million, four hundred sixty-one thousand, ninety".