340433240 has 64 divisors (see below), whose sum is σ = 881798400. Its totient is φ = 115867008.

The previous prime is 340433239. The next prime is 340433293. The reversal of 340433240 is 42334043.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34547 + ... + 43293.

It is an arithmetic number, because the mean of its divisors is an integer number (13778100).

Almost surely, 2^340433240 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 340433240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (440899200).

340433240 is an abundant number, since it is smaller than the sum of its proper divisors (541365160).

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

340433240 is a wasteful number, since it uses less digits than its factorization.

340433240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8904 (or 8900 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 23.

The square root of 340433240 is about 18450.8330435241. The cubic root of 340433240 is about 698.2495310657.

Adding to 340433240 its reverse (42334043), we get a palindrome (382767283).

The spelling of 340433240 in words is "three hundred forty million, four hundred thirty-three thousand, two hundred forty".