2154434376 has 16 divisors (see below), whose sum is σ = 5386086000. Its totient is φ = 718144784.

The previous prime is 2154434371. The next prime is 2154434423. The reversal of 2154434376 is 6734344512.

It is not an unprimeable number, because it can be changed into a prime (2154434371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44884026 + ... + 44884073.

It is an arithmetic number, because the mean of its divisors is an integer number (336630375).

Almost surely, 2^2154434376 is an apocalyptic number.

It is an amenable number.

2154434376 is an abundant number, since it is smaller than the sum of its proper divisors (3231651624).

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

2154434376 is a wasteful number, since it uses less digits than its factorization.

2154434376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89768108 (or 89768104 counting only the distinct ones).

The product of its digits is 241920, while the sum is 39.

The square root of 2154434376 is about 46415.8849533217. The cubic root of 2154434376 is about 1291.5496022625.

Adding to 2154434376 its reverse (6734344512), we get a palindrome (8888778888).

The spelling of 2154434376 in words is "two billion, one hundred fifty-four million, four hundred thirty-four thousand, three hundred seventy-six".