340372220 has 12 divisors (see below), whose sum is σ = 714781704. Its totient is φ = 136148880.

The previous prime is 340372189. The next prime is 340372231. The reversal of 340372220 is 22273043.

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, 8509286 + ... + 8509325.

It is an arithmetic number, because the mean of its divisors is an integer number (59565142).

Almost surely, 2^340372220 is an apocalyptic number.

It is an amenable number.

340372220 is an abundant number, since it is smaller than the sum of its proper divisors (374409484).

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

340372220 is a wasteful number, since it uses less digits than its factorization.

340372220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17018620 (or 17018618 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 23.

The square root of 340372220 is about 18449.1793855445. The cubic root of 340372220 is about 698.2078099808.

The spelling of 340372220 in words is "three hundred forty million, three hundred seventy-two thousand, two hundred twenty".