2146538544 has 40 divisors (see below), whose sum is σ = 5560715520. Its totient is φ = 713514048.

The previous prime is 2146538519. The next prime is 2146538573. The reversal of 2146538544 is 4458356412.

It is a junction number, because it is equal to n+sod(n) for n = 2146538496 and 2146538505.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 45052 + ... + 79515.

It is an arithmetic number, because the mean of its divisors is an integer number (139017888).

Almost surely, 2^2146538544 is an apocalyptic number.

2146538544 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2146538544 is an abundant number, since it is smaller than the sum of its proper divisors (3414176976).

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

2146538544 is a wasteful number, since it uses less digits than its factorization.

2146538544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124937 (or 124931 counting only the distinct ones).

The product of its digits is 460800, while the sum is 42.

The square root of 2146538544 is about 46330.7516019328. The cubic root of 2146538544 is about 1289.9698616840.

The spelling of 2146538544 in words is "two billion, one hundred forty-six million, five hundred thirty-eight thousand, five hundred forty-four".