421488671352 has 128 divisors (see below), whose sum is σ = 1289419430400. Its totient is φ = 112067923968.

The previous prime is 421488671333. The next prime is 421488671353. The reversal of 421488671352 is 253176884124.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a junction number, because it is equal to n+sod(n) for n = 421488671295 and 421488671304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421488671353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 574918 + ... + 1083285.

It is an arithmetic number, because the mean of its divisors is an integer number (10073589300).

Almost surely, 2^421488671352 is an apocalyptic number.

421488671352 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

421488671352 is an abundant number, since it is smaller than the sum of its proper divisors (867930759048).

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

421488671352 is a wasteful number, since it uses less digits than its factorization.

421488671352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1658325 (or 1658321 counting only the distinct ones).

The product of its digits is 2580480, while the sum is 51.

The spelling of 421488671352 in words is "four hundred twenty-one billion, four hundred eighty-eight million, six hundred seventy-one thousand, three hundred fifty-two".