340401320 has 32 divisors (see below), whose sum is σ = 875318400. Its totient is φ = 116708928.

The previous prime is 340401253. The next prime is 340401323. The reversal of 340401320 is 23104043.

It is not an unprimeable number, because it can be changed into a prime (340401323) 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 7 ways as a sum of consecutive naturals, for example, 607580 + ... + 608139.

It is an arithmetic number, because the mean of its divisors is an integer number (27353700).

Almost surely, 2^340401320 is an apocalyptic number.

It is an amenable number.

340401320 is an abundant number, since it is smaller than the sum of its proper divisors (534917080).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

340401320 is a wasteful number, since it uses less digits than its factorization.

340401320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1215737 (or 1215733 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 340401320 is about 18449.9680216525. The cubic root of 340401320 is about 698.2277070886.

Adding to 340401320 its reverse (23104043), we get a palindrome (363505363).

The spelling of 340401320 in words is "three hundred forty million, four hundred one thousand, three hundred twenty".