43423452435450 has 96 divisors (see below), whose sum is σ = 108316524888000. Its totient is φ = 11512387371520.

The previous prime is 43423452435427. The next prime is 43423452435479. The reversal of 43423452435450 is 5453425432434.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 43423452435450.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 22089376 + ... + 23974724.

It is an arithmetic number, because the mean of its divisors is an integer number (1128297134250).

Almost surely, 2^{43423452435450} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 43423452435450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54158262444000).

43423452435450 is an abundant number, since it is smaller than the sum of its proper divisors (64893072452550).

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

43423452435450 is a wasteful number, since it uses less digits than its factorization.

43423452435450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1886256 (or 1886251 counting only the distinct ones).

The product of its (nonzero) digits is 13824000, while the sum is 48.

Adding to 43423452435450 its reverse (5453425432434), we get a palindrome (48876877867884).

The spelling of 43423452435450 in words is "forty-three trillion, four hundred twenty-three billion, four hundred fifty-two million, four hundred thirty-five thousand, four hundred fifty".