613244340 has 36 divisors (see below), whose sum is σ = 1860175044. Its totient is φ = 163531776.

The previous prime is 613244329. The next prime is 613244363. The reversal of 613244340 is 43442316.

613244340 is a `hidden beast` number, since 613 + 2 + 4 + 4 + 3 + 40 = 666.

613244340 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 191434896 + 421809444 = 13836^2 + 20538^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1703277 + ... + 1703636.

It is an arithmetic number, because the mean of its divisors is an integer number (51671529).

Almost surely, 2^613244340 is an apocalyptic number.

613244340 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

613244340 is an abundant number, since it is smaller than the sum of its proper divisors (1246930704).

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

613244340 is a wasteful number, since it uses less digits than its factorization.

613244340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3406928 (or 3406923 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

The square root of 613244340 is about 24763.7707144934. The cubic root of 613244340 is about 849.5935034402.

Adding to 613244340 its reverse (43442316), we get a palindrome (656686656).

The spelling of 613244340 in words is "six hundred thirteen million, two hundred forty-four thousand, three hundred forty".