42321400441 has 4 divisors (see below), whose sum is σ = 42329356432. Its totient is φ = 42313444452.

The previous prime is 42321400427. The next prime is 42321400481. The reversal of 42321400441 is 14400412324.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 42321400441 - 2⁷ = 42321400313 is a prime.

It is a super-2 number, since 2×42321400441² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42321400481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3970011 + ... + 3980656.

It is an arithmetic number, because the mean of its divisors is an integer number (10582339108).

Almost surely, 2^42321400441 is an apocalyptic number.

It is an amenable number.

42321400441 is a deficient number, since it is larger than the sum of its proper divisors (7955991).

42321400441 is an equidigital number, since it uses as much as digits as its factorization.

42321400441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7955990.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 42321400441 its reverse (14400412324), we get a palindrome (56721812765).

The spelling of 42321400441 in words is "forty-two billion, three hundred twenty-one million, four hundred thousand, four hundred forty-one".