1234043545532 has 96 divisors (see below), whose sum is σ = 2703965846400. Its totient is φ = 480497246208.

The previous prime is 1234043545507. The next prime is 1234043545607. The reversal of 1234043545532 is 2355453404321.

It is a self number, because there is not a number n which added to its sum of digits gives 1234043545532.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 105857048 + ... + 105868704.

It is an arithmetic number, because the mean of its divisors is an integer number (28166310900).

Almost surely, 2^{1234043545532} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1234043545532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1351982923200).

1234043545532 is an abundant number, since it is smaller than the sum of its proper divisors (1469922300868).

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

1234043545532 is a wasteful number, since it uses less digits than its factorization.

1234043545532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19383 (or 19381 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 41.

Adding to 1234043545532 its reverse (2355453404321), we get a palindrome (3589496949853).

The spelling of 1234043545532 in words is "one trillion, two hundred thirty-four billion, forty-three million, five hundred forty-five thousand, five hundred thirty-two".