421232152576 has 39 divisors (see below), whose sum is σ = 842444538393. Its totient is φ = 210595307520.

The previous prime is 421232152511. The next prime is 421232152577. The reversal of 421232152576 is 675251232124.

The square root of 421232152576 is 649024.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 76052402176 + 345179750400 = 275776^2 + 587520^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (421232152577) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 41532466 + ... + 41542606.

Almost surely, 2^421232152576 is an apocalyptic number.

421232152576 is the 649024-th square number.

It is an amenable number.

421232152576 is a deficient number, since it is larger than the sum of its proper divisors (421212385817).

421232152576 is an frugal number, since it uses more digits than its factorization.

421232152576 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20306 (or 10143 counting only the distinct ones).

The product of its digits is 201600, while the sum is 40.

The spelling of 421232152576 in words is "four hundred twenty-one billion, two hundred thirty-two million, one hundred fifty-two thousand, five hundred seventy-six".