340973540 has 24 divisors (see below), whose sum is σ = 717188472. Its totient is φ = 136171520.

The previous prime is 340973509. The next prime is 340973593. The reversal of 340973540 is 45379043.

It can be written as a sum of positive squares in 4 ways, for example, as 171505216 + 169468324 = 13096^2 + 13018^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 340973540.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 479 + ... + 26118.

It is an arithmetic number, because the mean of its divisors is an integer number (29882853).

Almost surely, 2^340973540 is an apocalyptic number.

It is an amenable number.

340973540 is an abundant number, since it is smaller than the sum of its proper divisors (376214932).

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

340973540 is a wasteful number, since it uses less digits than its factorization.

340973540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27247 (or 27245 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 35.

The square root of 340973540 is about 18465.4688540530. The cubic root of 340973540 is about 698.6187320018.

The spelling of 340973540 in words is "three hundred forty million, nine hundred seventy-three thousand, five hundred forty".