421181344 has 12 divisors (see below), whose sum is σ = 829200834. Its totient is φ = 210590656.

The previous prime is 421181339. The next prime is 421181351. The reversal of 421181344 is 443181124.

It can be written as a sum of positive squares in only one way, i.e., 376825744 + 44355600 = 19412^2 + 6660^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6580927 + ... + 6580990.

Almost surely, 2^421181344 is an apocalyptic number.

It is an amenable number.

421181344 is a deficient number, since it is larger than the sum of its proper divisors (408019490).

421181344 is a wasteful number, since it uses less digits than its factorization.

421181344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13161927 (or 13161919 counting only the distinct ones).

The product of its digits is 3072, while the sum is 28.

The square root of 421181344 is about 20522.7031357957. The cubic root of 421181344 is about 749.5887190978.

The spelling of 421181344 in words is "four hundred twenty-one million, one hundred eighty-one thousand, three hundred forty-four".