421403213004 has 48 divisors (see below), whose sum is σ = 1017503810400. Its totient is φ = 135580870656.

The previous prime is 421403212921. The next prime is 421403213009. The reversal of 421403213004 is 400312304124.

421403213004 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (421403213009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 911754 + ... + 1293870.

It is an arithmetic number, because the mean of its divisors is an integer number (21197996050).

Almost surely, 2^421403213004 is an apocalyptic number.

It is an amenable number.

421403213004 is an abundant number, since it is smaller than the sum of its proper divisors (596100597396).

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

421403213004 is a wasteful number, since it uses less digits than its factorization.

421403213004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385322 (or 385320 counting only the distinct ones).

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

Adding to 421403213004 its reverse (400312304124), we get a palindrome (821715517128).

The spelling of 421403213004 in words is "four hundred twenty-one billion, four hundred three million, two hundred thirteen thousand, four".