420313040421 has 8 divisors (see below), whose sum is σ = 562500724320. Its totient is φ = 279167025072.

The previous prime is 420313040417. The next prime is 420313040471. The reversal of 420313040421 is 124040313024.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 420313040421 - 2² = 420313040417 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 420313040391 and 420313040400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420313040471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 260416195 + ... + 260417808.

It is an arithmetic number, because the mean of its divisors is an integer number (70312590540).

Almost surely, 2^420313040421 is an apocalyptic number.

It is an amenable number.

420313040421 is a deficient number, since it is larger than the sum of its proper divisors (142187683899).

420313040421 is a wasteful number, since it uses less digits than its factorization.

420313040421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 520834275.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 420313040421 its reverse (124040313024), we get a palindrome (544353353445).

The spelling of 420313040421 in words is "four hundred twenty billion, three hundred thirteen million, forty thousand, four hundred twenty-one".