340413240 has 32 divisors (see below), whose sum is σ = 1021240080. Its totient is φ = 90776832.

The previous prime is 340413221. The next prime is 340413251. The reversal of 340413240 is 42314043.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1418269 + ... + 1418508.

Almost surely, 2^340413240 is an apocalyptic number.

340413240 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

340413240 is an abundant number, since it is smaller than the sum of its proper divisors (680826840).

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

340413240 is a wasteful number, since it uses less digits than its factorization.

340413240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2836791 (or 2836787 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 340413240 is about 18450.2910546148. The cubic root of 340413240 is about 698.2358570542.

Adding to 340413240 its reverse (42314043), we get a palindrome (382727283).

The spelling of 340413240 in words is "three hundred forty million, four hundred thirteen thousand, two hundred forty".