340045356 has 192 divisors, whose sum is σ = 1029611520. Its totient is φ = 85017600.

The previous prime is 340045327. The next prime is 340045361. The reversal of 340045356 is 653540043.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2251881 + ... + 2252031.

It is an arithmetic number, because the mean of its divisors is an integer number (5362560).

Almost surely, 2^340045356 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 340045356, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (514805760).

340045356 is an abundant number, since it is smaller than the sum of its proper divisors (689566164).

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

340045356 is a wasteful number, since it uses less digits than its factorization.

340045356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284 (or 282 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 30.

The square root of 340045356 is about 18440.3187608024. The cubic root of 340045356 is about 697.9842389634.

Adding to 340045356 its reverse (653540043), we get a palindrome (993585399).

The spelling of 340045356 in words is "three hundred forty million, forty-five thousand, three hundred fifty-six".