340072240 has 20 divisors (see below), whose sum is σ = 790668144. Its totient is φ = 136028864.

The previous prime is 340072237. The next prime is 340072247. The reversal of 340072240 is 42270043.

340072240 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (20).

It is not an unprimeable number, because it can be changed into a prime (340072247) 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 3 ways as a sum of consecutive naturals, for example, 2125372 + ... + 2125531.

Almost surely, 2^340072240 is an apocalyptic number.

It is an amenable number.

340072240 is an abundant number, since it is smaller than the sum of its proper divisors (450595904).

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

340072240 is a wasteful number, since it uses less digits than its factorization.

340072240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4250916 (or 4250910 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 22.

The square root of 340072240 is about 18441.0476925797. The cubic root of 340072240 is about 698.0026326997.

The spelling of 340072240 in words is "three hundred forty million, seventy-two thousand, two hundred forty".