2154275328 has 160 divisors (see below), whose sum is σ = 6111483840. Its totient is φ = 672399360.

The previous prime is 2154275327. The next prime is 2154275351. The reversal of 2154275328 is 8235724512.

It is not an unprimeable number, because it can be changed into a prime (2154275323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2830468 + ... + 2831228.

It is an arithmetic number, because the mean of its divisors is an integer number (38196774).

Almost surely, 2^2154275328 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 2154275328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3055741920).

2154275328 is an abundant number, since it is smaller than the sum of its proper divisors (3957208512).

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

2154275328 is an equidigital number, since it uses as much as digits as its factorization.

2154275328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 898 (or 882 counting only the distinct ones).

The product of its digits is 134400, while the sum is 39.

The square root of 2154275328 is about 46414.1716289325. The cubic root of 2154275328 is about 1291.5178192203.

The spelling of 2154275328 in words is "two billion, one hundred fifty-four million, two hundred seventy-five thousand, three hundred twenty-eight".