340231040 has 32 divisors (see below), whose sum is σ = 813366360. Its totient is φ = 136092160.

The previous prime is 340231039. The next prime is 340231061. The reversal of 340231040 is 40132043.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 265166 + ... + 266445.

Almost surely, 2^340231040 is an apocalyptic number.

It is an amenable number.

340231040 is an abundant number, since it is smaller than the sum of its proper divisors (473135320).

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

340231040 is an equidigital number, since it uses as much as digits as its factorization.

340231040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 531630 (or 531618 counting only the distinct ones).

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

The square root of 340231040 is about 18445.3528022643. The cubic root of 340231040 is about 698.1112621383. Note that the first 3 decimals are identical.

Adding to 340231040 its reverse (40132043), we get a palindrome (380363083).

The spelling of 340231040 in words is "three hundred forty million, two hundred thirty-one thousand, forty".