618761440725848 has 32 divisors (see below), whose sum is σ = 1358256821110560. Its totient is φ = 258715584971520.

The previous prime is 618761440725821. The next prime is 618761440725853. The reversal of 618761440725848 is 848527044167816.

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, 134747698211 + ... + 134747702802.

It is an arithmetic number, because the mean of its divisors is an integer number (42445525659705).

Almost surely, 2^{618761440725848} is an apocalyptic number.

It is an amenable number.

618761440725848 is an abundant number, since it is smaller than the sum of its proper divisors (739495380384712).

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

618761440725848 is a wasteful number, since it uses less digits than its factorization.

618761440725848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269495401067 (or 269495401063 counting only the distinct ones).

The product of its (nonzero) digits is 578027520, while the sum is 71.

The spelling of 618761440725848 in words is "six hundred eighteen trillion, seven hundred sixty-one billion, four hundred forty million, seven hundred twenty-five thousand, eight hundred forty-eight".