421313953450 has 48 divisors (see below), whose sum is σ = 844332506136. Its totient is φ = 155486822400.

The previous prime is 421313953433. The next prime is 421313953451. The reversal of 421313953450 is 54359313124.

It can be written as a sum of positive squares in 12 ways, for example, as 5189617521 + 416124335929 = 72039^2 + 645077^2 .

It is not an unprimeable number, because it can be changed into a prime (421313953451) 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 23 ways as a sum of consecutive naturals, for example, 1196914 + ... + 1508386.

Almost surely, 2^421313953450 is an apocalyptic number.

421313953450 is an abundant number, since it is smaller than the sum of its proper divisors (423018552686).

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

421313953450 is a wasteful number, since it uses less digits than its factorization.

421313953450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313579 (or 313574 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 40.

The spelling of 421313953450 in words is "four hundred twenty-one billion, three hundred thirteen million, nine hundred fifty-three thousand, four hundred fifty".