421001302450044 has 12 divisors (see below), whose sum is σ = 982336372383464. Its totient is φ = 140333767483344.

The previous prime is 421001302450031. The next prime is 421001302450051. The reversal of 421001302450044 is 440054203100124.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 421001302449993 and 421001302450020.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17541720935407 + ... + 17541720935430.

Almost surely, 2^{421001302450044} is an apocalyptic number.

It is an amenable number.

421001302450044 is an abundant number, since it is smaller than the sum of its proper divisors (561335069933420).

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

421001302450044 is a wasteful number, since it uses less digits than its factorization.

421001302450044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35083441870844 (or 35083441870842 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 30.

Adding to 421001302450044 its reverse (440054203100124), we get a palindrome (861055505550168).

The spelling of 421001302450044 in words is "four hundred twenty-one trillion, one billion, three hundred two million, four hundred fifty thousand, forty-four".