613650524220 has 144 divisors (see below), whose sum is σ = 1973146881888. Its totient is φ = 153838755840.

The previous prime is 613650524219. The next prime is 613650524233. The reversal of 613650524220 is 22425056316.

613650524220 is a `hidden beast` number, since 6 + 136 + 50 + 52 + 422 + 0 = 666.

613650524220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2582047 + ... + 2809673.

It is an arithmetic number, because the mean of its divisors is an integer number (13702408902).

Almost surely, 2^613650524220 is an apocalyptic number.

613650524220 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 613650524220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (986573440944).

613650524220 is an abundant number, since it is smaller than the sum of its proper divisors (1359496357668).

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

613650524220 is a wasteful number, since it uses less digits than its factorization.

613650524220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228540 (or 228535 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

The spelling of 613650524220 in words is "six hundred thirteen billion, six hundred fifty million, five hundred twenty-four thousand, two hundred twenty".