421342124432 has 40 divisors (see below), whose sum is σ = 819191151000. Its totient is φ = 209939136512.

The previous prime is 421342124389. The next prime is 421342124461. The reversal of 421342124432 is 234421243124.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 126084647056 + 295257477376 = 355084^2 + 543376^2 .

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 5775608 + ... + 5848104.

It is an arithmetic number, because the mean of its divisors is an integer number (20479778775).

Almost surely, 2^421342124432 is an apocalyptic number.

It is an amenable number.

421342124432 is a deficient number, since it is larger than the sum of its proper divisors (397849026568).

421342124432 is a wasteful number, since it uses less digits than its factorization.

421342124432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73763 (or 73757 counting only the distinct ones).

The product of its digits is 36864, while the sum is 32.

Adding to 421342124432 its reverse (234421243124), we get a palindrome (655763367556).

The spelling of 421342124432 in words is "four hundred twenty-one billion, three hundred forty-two million, one hundred twenty-four thousand, four hundred thirty-two".