1234443553140 has 96 divisors (see below), whose sum is σ = 3958751784960. Its totient is φ = 281549068416.

The previous prime is 1234443553073. The next prime is 1234443553163. The reversal of 1234443553140 is 413553444321.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2979570 + ... + 3368489.

It is an arithmetic number, because the mean of its divisors is an integer number (41236997760).

Almost surely, 2^{1234443553140} is an apocalyptic number.

1234443553140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1234443553140 is an abundant number, since it is smaller than the sum of its proper divisors (2724308231820).

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

1234443553140 is a wasteful number, since it uses less digits than its factorization.

1234443553140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6348541 (or 6348539 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 39.

Adding to 1234443553140 its reverse (413553444321), we get a palindrome (1647996997461).

The spelling of 1234443553140 in words is "one trillion, two hundred thirty-four billion, four hundred forty-three million, five hundred fifty-three thousand, one hundred forty".