2144521104 has 80 divisors (see below), whose sum is σ = 6306453504. Its totient is φ = 621596800.

The previous prime is 2144521103. The next prime is 2144521129. The reversal of 2144521104 is 4011254412.

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

It is not an unprimeable number, because it can be changed into a prime (2144521103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76152 + ... + 100439.

Almost surely, 2^2144521104 is an apocalyptic number.

2144521104 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2144521104 is an abundant number, since it is smaller than the sum of its proper divisors (4161932400).

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

2144521104 is a wasteful number, since it uses less digits than its factorization.

2144521104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176636 (or 176630 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 24.

The square root of 2144521104 is about 46308.9743354352. The cubic root of 2144521104 is about 1289.5656057968.

Adding to 2144521104 its reverse (4011254412), we get a palindrome (6155775516).

The spelling of 2144521104 in words is "two billion, one hundred forty-four million, five hundred twenty-one thousand, one hundred four".