1144134430440 has 64 divisors (see below), whose sum is σ = 3634309373760. Its totient is φ = 287155307520.

The previous prime is 1144134430433. The next prime is 1144134430477. The reversal of 1144134430440 is 440344314411.

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, 280423066 + ... + 280427145.

It is an arithmetic number, because the mean of its divisors is an integer number (56786083965).

Almost surely, 2^{1144134430440} is an apocalyptic number.

1144134430440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1144134430440 is an abundant number, since it is smaller than the sum of its proper divisors (2490174943320).

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

1144134430440 is a wasteful number, since it uses less digits than its factorization.

1144134430440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 560850242 (or 560850238 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 33.

Adding to 1144134430440 its reverse (440344314411), we get a palindrome (1584478744851).

The spelling of 1144134430440 in words is "one trillion, one hundred forty-four billion, one hundred thirty-four million, four hundred thirty thousand, four hundred forty".