2154454432 has 96 divisors (see below), whose sum is σ = 4715553024. Its totient is φ = 962688000.

The previous prime is 2154454381. The next prime is 2154454439. The reversal of 2154454432 is 2344544512.

It is not an unprimeable number, because it can be changed into a prime (2154454439) 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, 1974207 + ... + 1975297.

It is an arithmetic number, because the mean of its divisors is an integer number (49120344).

Almost surely, 2^2154454432 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 2154454432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2357776512).

2154454432 is an abundant number, since it is smaller than the sum of its proper divisors (2561098592).

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

2154454432 is a wasteful number, since it uses less digits than its factorization.

2154454432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1262 (or 1254 counting only the distinct ones).

The product of its digits is 76800, while the sum is 34.

The square root of 2154454432 is about 46416.1009995454. The cubic root of 2154454432 is about 1291.5536100025.

Adding to 2154454432 its reverse (2344544512), we get a palindrome (4498998944).

The spelling of 2154454432 in words is "two billion, one hundred fifty-four million, four hundred fifty-four thousand, four hundred thirty-two".