2144261400 has 48 divisors (see below), whose sum is σ = 6647212200. Its totient is φ = 571802880.

The previous prime is 2144261393. The next prime is 2144261429. The reversal of 2144261400 is 41624412.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1786285 + ... + 1787484.

Almost surely, 2^2144261400 is an apocalyptic number.

2144261400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2144261400 is an abundant number, since it is smaller than the sum of its proper divisors (4502950800).

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

2144261400 is a wasteful number, since it uses less digits than its factorization.

2144261400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3573788 (or 3573779 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 2144261400 is about 46306.1702152100. The cubic root of 2144261400 is about 1289.5135477304.

Adding to 2144261400 its reverse (41624412), we get a palindrome (2185885812).

The spelling of 2144261400 in words is "two billion, one hundred forty-four million, two hundred sixty-one thousand, four hundred".