718772135464240 has 240 divisors, whose sum is σ = 1974526861049856. Its totient is φ = 241212883891200.

The previous prime is 718772135464223. The next prime is 718772135464259. The reversal of 718772135464240 is 42464531277817.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 675698385 + ... + 676761295.

Almost surely, 2^{718772135464240} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 718772135464240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (987263430524928).

718772135464240 is an abundant number, since it is smaller than the sum of its proper divisors (1255754725585616).

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

718772135464240 is a wasteful number, since it uses less digits than its factorization.

718772135464240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1067508 (or 1067489 counting only the distinct ones).

The product of its (nonzero) digits is 63221760, while the sum is 61.

The spelling of 718772135464240 in words is "seven hundred eighteen trillion, seven hundred seventy-two billion, one hundred thirty-five million, four hundred sixty-four thousand, two hundred forty".