1144418500 has 48 divisors (see below), whose sum is σ = 2522886912. Its totient is φ = 453468000.

The previous prime is 1144418459. The next prime is 1144418519. The reversal of 1144418500 is 58144411.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42805 + ... + 64195.

It is an arithmetic number, because the mean of its divisors is an integer number (52560144).

Almost surely, 2^1144418500 is an apocalyptic number.

1144418500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1144418500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1261443456).

1144418500 is an abundant number, since it is smaller than the sum of its proper divisors (1378468412).

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

1144418500 is a wasteful number, since it uses less digits than its factorization.

1144418500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21517 (or 21505 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 28.

The square root of 1144418500 is about 33829.2550908234. The cubic root of 1144418500 is about 1045.9918240815.

The spelling of 1144418500 in words is "one billion, one hundred forty-four million, four hundred eighteen thousand, five hundred".