43433411021442 has 160 divisors (see below), whose sum is σ = 106683680093760. Its totient is φ = 13125555031680.

The previous prime is 43433411021431. The next prime is 43433411021449. The reversal of 43433411021442 is 24412011433434.

43433411021442 is a `hidden beast` number, since 4 + 3 + 433 + 4 + 1 + 1 + 0 + 214 + 4 + 2 = 666.

It is a super-3 number, since 3×43433411021442³ (a number of 42 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 43433411021397 and 43433411021406.

It is not an unprimeable number, because it can be changed into a prime (43433411021449) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 135649717 + ... + 135969527.

It is an arithmetic number, because the mean of its divisors is an integer number (666773000586).

Almost surely, 2^{43433411021442} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 43433411021442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53341840046880).

43433411021442 is an abundant number, since it is smaller than the sum of its proper divisors (63250269072318).

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

43433411021442 is a wasteful number, since it uses less digits than its factorization.

43433411021442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320990 (or 320981 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 36.

Adding to 43433411021442 its reverse (24412011433434), we get a palindrome (67845422454876).

The spelling of 43433411021442 in words is "forty-three trillion, four hundred thirty-three billion, four hundred eleven million, twenty-one thousand, four hundred forty-two".