43242321400 has 24 divisors (see below), whose sum is σ = 100538397720. Its totient is φ = 17296928480.

The previous prime is 43242321361. The next prime is 43242321433. The reversal of 43242321400 is 412324234.

It is a happy number.

43242321400 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 108105604 + ... + 108106003.

It is an arithmetic number, because the mean of its divisors is an integer number (4189099905).

Almost surely, 2^43242321400 is an apocalyptic number.

43242321400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

43242321400 is an abundant number, since it is smaller than the sum of its proper divisors (57296076320).

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

43242321400 is a wasteful number, since it uses less digits than its factorization.

43242321400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216211623 (or 216211614 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 43242321400 its reverse (412324234), we get a palindrome (43654645634).

The spelling of 43242321400 in words is "forty-three billion, two hundred forty-two million, three hundred twenty-one thousand, four hundred".