1324644401 has 8 divisors (see below), whose sum is σ = 1332599808. Its totient is φ = 1316700000.

The previous prime is 1324644367. The next prime is 1324644443. The reversal of 1324644401 is 1044464231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1324644401 - 2¹⁰ = 1324643377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1324644481) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 439901 + ... + 442901.

It is an arithmetic number, because the mean of its divisors is an integer number (166574976).

Almost surely, 2^1324644401 is an apocalyptic number.

It is an amenable number.

1324644401 is a deficient number, since it is larger than the sum of its proper divisors (7955407).

1324644401 is a wasteful number, since it uses less digits than its factorization.

1324644401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5503.

The product of its (nonzero) digits is 9216, while the sum is 29.

The square root of 1324644401 is about 36395.6645907174. The cubic root of 1324644401 is about 1098.2463520566.

The spelling of 1324644401 in words is "one billion, three hundred twenty-four million, six hundred forty-four thousand, four hundred one".