718615000040 has 64 divisors (see below), whose sum is σ = 1849770898560. Its totient is φ = 246128451840.

The previous prime is 718615000007. The next prime is 718615000049. The reversal of 718615000040 is 40000516817.

It is a happy number.

718615000040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 718614999970 and 718615000006.

It is not an unprimeable number, because it can be changed into a prime (718615000049) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1049687 + ... + 1593446.

It is an arithmetic number, because the mean of its divisors is an integer number (28902670290).

Almost surely, 2^718615000040 is an apocalyptic number.

718615000040 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

718615000040 is an abundant number, since it is smaller than the sum of its proper divisors (1131155898520).

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

718615000040 is a wasteful number, since it uses less digits than its factorization.

718615000040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2644122 (or 2644118 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 32.

Adding to 718615000040 its reverse (40000516817), we get a palindrome (758615516857).

The spelling of 718615000040 in words is "seven hundred eighteen billion, six hundred fifteen million, forty", and thus it is an aban number.