42404212401 has 4 divisors (see below), whose sum is σ = 56538949872. Its totient is φ = 28269474932.

The previous prime is 42404212391. The next prime is 42404212439. The reversal of 42404212401 is 10421240424.

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 42404212401 - 2⁷ = 42404212273 is a prime.

It is a super-3 number, since 3×42404212401³ (a number of 33 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (42404211401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7067368731 + ... + 7067368736.

It is an arithmetic number, because the mean of its divisors is an integer number (14134737468).

Almost surely, 2^42404212401 is an apocalyptic number.

It is an amenable number.

42404212401 is a deficient number, since it is larger than the sum of its proper divisors (14134737471).

42404212401 is a wasteful number, since it uses less digits than its factorization.

42404212401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14134737470.

The product of its (nonzero) digits is 2048, while the sum is 24.

Adding to 42404212401 its reverse (10421240424), we get a palindrome (52825452825).

The spelling of 42404212401 in words is "forty-two billion, four hundred four million, two hundred twelve thousand, four hundred one".