421546645124 has 48 divisors (see below), whose sum is σ = 817588193856. Its totient is φ = 188566012800.

The previous prime is 421546645097. The next prime is 421546645129.

421546645124 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is not an unprimeable number, because it can be changed into a prime (421546645129) 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, 2939882 + ... + 3079934.

It is an arithmetic number, because the mean of its divisors is an integer number (17033087372).

Almost surely, 2^421546645124 is an apocalyptic number.

421546645124 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

421546645124 is a deficient number, since it is larger than the sum of its proper divisors (396041548732).

421546645124 is a wasteful number, since it uses less digits than its factorization.

421546645124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141156 (or 141154 counting only the distinct ones).

The product of its digits is 921600, while the sum is 44.

The spelling of 421546645124 in words is "four hundred twenty-one billion, five hundred forty-six million, six hundred forty-five thousand, one hundred twenty-four".