421410231018 has 64 divisors (see below), whose sum is σ = 1080250629120. Its totient is φ = 119277650736.

The previous prime is 421410231013. The next prime is 421410231029. The reversal of 421410231018 is 810132014124.

421410231018 is a `hidden beast` number, since 4 + 2 + 1 + 410 + 231 + 0 + 18 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 421410230982 and 421410231000.

It is not an unprimeable number, because it can be changed into a prime (421410231013) 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 31 ways as a sum of consecutive naturals, for example, 5169096 + ... + 5249987.

It is an arithmetic number, because the mean of its divisors is an integer number (16878916080).

Almost surely, 2^421410231018 is an apocalyptic number.

421410231018 is an abundant number, since it is smaller than the sum of its proper divisors (658840398102).

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

421410231018 is a wasteful number, since it uses less digits than its factorization.

421410231018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10419208 (or 10419202 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The spelling of 421410231018 in words is "four hundred twenty-one billion, four hundred ten million, two hundred thirty-one thousand, eighteen".