1144413420440 has 32 divisors (see below), whose sum is σ = 2613361996080. Its totient is φ = 450933048192.

The previous prime is 1144413420407. The next prime is 1144413420461. The reversal of 1144413420440 is 440243144411.

It is a junction number, because it is equal to n+sod(n) for n = 1144413420397 and 1144413420406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 213507287 + ... + 213512646.

Almost surely, 2^{1144413420440} is an apocalyptic number.

1144413420440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1144413420440 is an abundant number, since it is smaller than the sum of its proper divisors (1468948575640).

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

1144413420440 is a wasteful number, since it uses less digits than its factorization.

1144413420440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427020011 (or 427020007 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 32.

Adding to 1144413420440 its reverse (440243144411), we get a palindrome (1584656564851).

The spelling of 1144413420440 in words is "one trillion, one hundred forty-four billion, four hundred thirteen million, four hundred twenty thousand, four hundred forty".