2144504000 has 56 divisors (see below), whose sum is σ = 5310883968. Its totient is φ = 857798400.

The previous prime is 2144503997. The next prime is 2144504003. The reversal of 2144504000 is 4054412.

It is an interprime number because it is at equal distance from previous prime (2144503997) and next prime (2144504003).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (2144504003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 126032 + ... + 142031.

Almost surely, 2^2144504000 is an apocalyptic number.

2144504000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2144504000 is an abundant number, since it is smaller than the sum of its proper divisors (3166379968).

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

2144504000 is an equidigital number, since it uses as much as digits as its factorization.

2144504000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268090 (or 268070 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 2144504000 is about 46308.7896624388. The cubic root of 2144504000 is about 1289.5621774030.

Adding to 2144504000 its reverse (4054412), we get a palindrome (2148558412).

The spelling of 2144504000 in words is "two billion, one hundred forty-four million, five hundred four thousand".