2143340544 has 48 divisors (see below), whose sum is σ = 5714195760. Its totient is φ = 714444800.

The previous prime is 2143340539. The next prime is 2143340579. The reversal of 2143340544 is 4450433412.

It is a tau number, because it is divible by the number of its divisors (48).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 168282 + ... + 180569.

It is an arithmetic number, because the mean of its divisors is an integer number (119045745).

Almost surely, 2^2143340544 is an apocalyptic number.

2143340544 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2143340544 is an abundant number, since it is smaller than the sum of its proper divisors (3570855216).

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

2143340544 is an equidigital number, since it uses as much as digits as its factorization.

2143340544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348876 (or 348856 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 30.

The square root of 2143340544 is about 46296.2260232948. The cubic root of 2143340544 is about 1289.3289268453.

Adding to 2143340544 its reverse (4450433412), we get a palindrome (6593773956).

The spelling of 2143340544 in words is "two billion, one hundred forty-three million, three hundred forty thousand, five hundred forty-four".