320140401 has 8 divisors (see below), whose sum is σ = 487833024. Its totient is φ = 182937360.

The previous prime is 320140393. The next prime is 320140411. The reversal of 320140401 is 104041023.

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

It is not a de Polignac number, because 320140401 - 2³ = 320140393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (320140411) 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, 7622370 + ... + 7622411.

It is an arithmetic number, because the mean of its divisors is an integer number (60979128).

Almost surely, 2^320140401 is an apocalyptic number.

It is an amenable number.

320140401 is a deficient number, since it is larger than the sum of its proper divisors (167692623).

320140401 is a wasteful number, since it uses less digits than its factorization.

320140401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15244791.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 320140401 is about 17892.4677168914. The cubic root of 320140401 is about 684.0903983495.

Adding to 320140401 its reverse (104041023), we get a palindrome (424181424).

The spelling of 320140401 in words is "three hundred twenty million, one hundred forty thousand, four hundred one".