2154314544 has 40 divisors (see below), whose sum is σ = 5858226240. Its totient is φ = 680309568.

The previous prime is 2154314531. The next prime is 2154314549. The reversal of 2154314544 is 4454134512.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2154314549) 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 7 ways as a sum of consecutive naturals, for example, 1180182 + ... + 1182005.

It is an arithmetic number, because the mean of its divisors is an integer number (146455656).

Almost surely, 2^2154314544 is an apocalyptic number.

2154314544 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2154314544 is an abundant number, since it is smaller than the sum of its proper divisors (3703911696).

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

2154314544 is a wasteful number, since it uses less digits than its factorization.

2154314544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2362217 (or 2362211 counting only the distinct ones).

The product of its digits is 38400, while the sum is 33.

The square root of 2154314544 is about 46414.5940841886. The cubic root of 2154314544 is about 1291.5256560173.

The spelling of 2154314544 in words is "two billion, one hundred fifty-four million, three hundred fourteen thousand, five hundred forty-four".