340845040 has 60 divisors (see below), whose sum is σ = 801808056. Its totient is φ = 134746624.

The previous prime is 340845017. The next prime is 340845049. The reversal of 340845040 is 40548043.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340845049) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1501407 + ... + 1501633.

Almost surely, 2^340845040 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 340845040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (400904028).

340845040 is an abundant number, since it is smaller than the sum of its proper divisors (460963016).

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

340845040 is a wasteful number, since it uses less digits than its factorization.

340845040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 514 (or 371 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 28.

The square root of 340845040 is about 18461.9890586036. The cubic root of 340845040 is about 698.5309600037.

The spelling of 340845040 in words is "three hundred forty million, eight hundred forty-five thousand, forty".