340554312 has 144 divisors (see below), whose sum is σ = 1086780240. Its totient is φ = 96046272.

The previous prime is 340554301. The next prime is 340554343. The reversal of 340554312 is 213455043.

340554312 is a `hidden beast` number, since 340 + 5 + 5 + 4 + 312 = 666.

It is an unprimeable number.

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 35 ways as a sum of consecutive naturals, for example, 292243 + ... + 293405.

It is an arithmetic number, because the mean of its divisors is an integer number (7547085).

Almost surely, 2^340554312 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 340554312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (543390120).

340554312 is an abundant number, since it is smaller than the sum of its proper divisors (746225928).

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

340554312 is a wasteful number, since it uses less digits than its factorization.

340554312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1272 (or 1258 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 340554312 is about 18454.1136877391. The cubic root of 340554312 is about 698.3322966298.

The spelling of 340554312 in words is "three hundred forty million, five hundred fifty-four thousand, three hundred twelve".