613234040 has 16 divisors (see below), whose sum is σ = 1379776680. Its totient is φ = 245293600.

The previous prime is 613234031. The next prime is 613234043. The reversal of 613234040 is 40432316.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 613233997 and 613234015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (613234043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7665386 + ... + 7665465.

Almost surely, 2^613234040 is an apocalyptic number.

It is an amenable number.

613234040 is an abundant number, since it is smaller than the sum of its proper divisors (766542640).

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

613234040 is a wasteful number, since it uses less digits than its factorization.

613234040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15330862 (or 15330858 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 613234040 is about 24763.5627485223. The cubic root of 613234040 is about 849.5887468467.

Adding to 613234040 its reverse (40432316), we get a palindrome (653666356).

The spelling of 613234040 in words is "six hundred thirteen million, two hundred thirty-four thousand, forty".