1144211400 has 96 divisors (see below), whose sum is σ = 3941191200. Its totient is φ = 305121600.

The previous prime is 1144211399. The next prime is 1144211423. The reversal of 1144211400 is 41124411.

1144211400 is a `hidden beast` number, since 11 + 44 + 211 + 400 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 100546 + ... + 111345.

It is an arithmetic number, because the mean of its divisors is an integer number (41054075).

Almost surely, 2^1144211400 is an apocalyptic number.

1144211400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1144211400 is an abundant number, since it is smaller than the sum of its proper divisors (2796979800).

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

1144211400 is a wasteful number, since it uses less digits than its factorization.

1144211400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211916 (or 211901 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 1144211400 is about 33826.1939922303. The cubic root of 1144211400 is about 1045.9287242116.

Adding to 1144211400 its reverse (41124411), we get a palindrome (1185335811).

The spelling of 1144211400 in words is "one billion, one hundred forty-four million, two hundred eleven thousand, four hundred".