340574220 has 336 divisors, whose sum is σ = 1269209088. Its totient is φ = 75116160.

The previous prime is 340574219. The next prime is 340574239. The reversal of 340574220 is 22475043.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 4796785 + ... + 4796855.

It is an arithmetic number, because the mean of its divisors is an integer number (3777408).

Almost surely, 2^340574220 is an apocalyptic number.

340574220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 340574220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (634604544).

340574220 is an abundant number, since it is smaller than the sum of its proper divisors (928634868).

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

340574220 is a wasteful number, since it uses less digits than its factorization.

340574220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152 (or 135 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 27.

The square root of 340574220 is about 18454.6530717865. The cubic root of 340574220 is about 698.3459039830.

The spelling of 340574220 in words is "three hundred forty million, five hundred seventy-four thousand, two hundred twenty".