28195553610 has 96 divisors (see below), whose sum is σ = 83897678592. Its totient is φ = 6435728640.

The previous prime is 28195553599. The next prime is 28195553623. The reversal of 28195553610 is 1635559182.

28195553610 is a `hidden beast` number, since 2 + 8 + 1 + 95 + 553 + 6 + 1 + 0 = 666.

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

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, 427230 + ... + 488790.

It is an arithmetic number, because the mean of its divisors is an integer number (873934152).

Almost surely, 2^28195553610 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28195553610, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41948839296).

28195553610 is an abundant number, since it is smaller than the sum of its proper divisors (55702124982).

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

28195553610 is a wasteful number, since it uses less digits than its factorization.

28195553610 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62308 (or 62305 counting only the distinct ones).

The product of its (nonzero) digits is 324000, while the sum is 45.

The spelling of 28195553610 in words is "twenty-eight billion, one hundred ninety-five million, five hundred fifty-three thousand, six hundred ten".