43424555542434 has 256 divisors, whose sum is σ = 114626098944000. Its totient is φ = 12042172074240.

The previous prime is 43424555542411. The next prime is 43424555542441.

43424555542434 is a `hidden beast` number, since 4 + 3 + 4 + 2 + 4 + 5 + 55 + 542 + 43 + 4 = 666.

43424555542434 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 57669832 + ... + 58417964.

It is an arithmetic number, because the mean of its divisors is an integer number (447758199000).

Almost surely, 2^{43424555542434} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 43424555542434, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57313049472000).

43424555542434 is an abundant number, since it is smaller than the sum of its proper divisors (71201543401566).

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

43424555542434 is a wasteful number, since it uses less digits than its factorization.

43424555542434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 748350 (or 748344 counting only the distinct ones).

The product of its digits is 92160000, while the sum is 54.

It can be divided in two parts, 4342455 and 5542434, that added together give a palindrome (9884889).

The spelling of 43424555542434 in words is "forty-three trillion, four hundred twenty-four billion, five hundred fifty-five million, five hundred forty-two thousand, four hundred thirty-four".