43042442401100 has 72 divisors (see below), whose sum is σ = 94216889733120. Its totient is φ = 17067013830720.

The previous prime is 43042442401051. The next prime is 43042442401109. The reversal of 43042442401100 is 110424424034.

It is a super-2 number, since 2×43042442401100² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (43042442401109) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13647281 + ... + 16502519.

It is an arithmetic number, because the mean of its divisors is an integer number (1308567912960).

Almost surely, 2^{43042442401100} 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 43042442401100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47108444866560).

43042442401100 is an abundant number, since it is smaller than the sum of its proper divisors (51174447332020).

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

43042442401100 is a wasteful number, since it uses less digits than its factorization.

43042442401100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2856567 (or 2856560 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 43042442401100 its reverse (110424424034), we get a palindrome (43152866825134).

The spelling of 43042442401100 in words is "forty-three trillion, forty-two billion, four hundred forty-two million, four hundred one thousand, one hundred".