613626544420 has 48 divisors (see below), whose sum is σ = 1294717068288. Its totient is φ = 244289013120.

The previous prime is 613626544417. The next prime is 613626544481. The reversal of 613626544420 is 24445626316.

613626544420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 20666185 + ... + 20695855.

It is an arithmetic number, because the mean of its divisors is an integer number (26973272256).

Almost surely, 2^613626544420 is an apocalyptic number.

It is an amenable number.

613626544420 is an abundant number, since it is smaller than the sum of its proper divisors (681090523868).

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

613626544420 is a wasteful number, since it uses less digits than its factorization.

613626544420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34540 (or 34538 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 43.

The spelling of 613626544420 in words is "six hundred thirteen billion, six hundred twenty-six million, five hundred forty-four thousand, four hundred twenty".