618000812440 has 32 divisors (see below), whose sum is σ = 1516911086160. Its totient is φ = 224727568000.

The previous prime is 618000812423. The next prime is 618000812453. The reversal of 618000812440 is 44218000816.

It is a junction number, because it is equal to n+sod(n) for n = 618000812396 and 618000812405.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 702273211 + ... + 702274090.

Almost surely, 2^618000812440 is an apocalyptic number.

It is an amenable number.

618000812440 is an abundant number, since it is smaller than the sum of its proper divisors (898910273720).

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

618000812440 is a wasteful number, since it uses less digits than its factorization.

618000812440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1404547323 (or 1404547319 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 34.

The spelling of 618000812440 in words is "six hundred eighteen billion, eight hundred twelve thousand, four hundred forty".