2135255472 has 160 divisors (see below), whose sum is σ = 7167874560. Its totient is φ = 595848960.

The previous prime is 2135255461. The next prime is 2135255477. The reversal of 2135255472 is 2745525312.

2135255472 is a `hidden beast` number, since 2 + 1 + 35 + 2 + 554 + 72 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (2135255477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 121822 + ... + 138242.

It is an arithmetic number, because the mean of its divisors is an integer number (44799216).

Almost surely, 2^2135255472 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 2135255472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3583937280).

2135255472 is an abundant number, since it is smaller than the sum of its proper divisors (5032619088).

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

2135255472 is a wasteful number, since it uses less digits than its factorization.

2135255472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16488 (or 16476 counting only the distinct ones).

The product of its digits is 84000, while the sum is 36.

The square root of 2135255472 is about 46208.8246117557. The cubic root of 2135255472 is about 1287.7056893483.

The spelling of 2135255472 in words is "two billion, one hundred thirty-five million, two hundred fifty-five thousand, four hundred seventy-two".