618788006740 has 24 divisors (see below), whose sum is σ = 1355952850560. Its totient is φ = 236753671968.

The previous prime is 618788006731. The next prime is 618788006779. The reversal of 618788006740 is 47600887816.

It is a happy number.

It is a super-3 number, since 3×618788006740³ (a number of 36 digits) contains 333 as substring.

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, 672595200 + ... + 672596119.

It is an arithmetic number, because the mean of its divisors is an integer number (56498035440).

Almost surely, 2^618788006740 is an apocalyptic number.

It is an amenable number.

618788006740 is an abundant number, since it is smaller than the sum of its proper divisors (737164843820).

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

618788006740 is a wasteful number, since it uses less digits than its factorization.

618788006740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1345191351 (or 1345191349 counting only the distinct ones).

The product of its (nonzero) digits is 3612672, while the sum is 55.

The spelling of 618788006740 in words is "six hundred eighteen billion, seven hundred eighty-eight million, six thousand, seven hundred forty".