2144343400 has 48 divisors (see below), whose sum is σ = 4988787840. Its totient is φ = 857188800.

The previous prime is 2144343389. The next prime is 2144343497. The reversal of 2144343400 is 43434412.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 479977 + ... + 484423.

It is an arithmetic number, because the mean of its divisors is an integer number (103933080).

Almost surely, 2^2144343400 is an apocalyptic number.

2144343400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2144343400 is an abundant number, since it is smaller than the sum of its proper divisors (2844444440).

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

2144343400 is a wasteful number, since it uses less digits than its factorization.

2144343400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6874 (or 6865 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 2144343400 is about 46307.0556179077. The cubic root of 2144343400 is about 1289.5299852106.

Adding to 2144343400 its reverse (43434412), we get a palindrome (2187777812).

The spelling of 2144343400 in words is "two billion, one hundred forty-four million, three hundred forty-three thousand, four hundred".