718914240 has 252 divisors, whose sum is σ = 2719315872. Its totient is φ = 174197760.

The previous prime is 718914227. The next prime is 718914257. The reversal of 718914240 is 42419817.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 718914195 and 718914204.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 347449 + ... + 349511.

It is an arithmetic number, because the mean of its divisors is an integer number (10790936).

Almost surely, 2^718914240 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 718914240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1359657936).

718914240 is an abundant number, since it is smaller than the sum of its proper divisors (2000401632).

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

718914240 is a wasteful number, since it uses less digits than its factorization.

718914240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2108 (or 2084 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The square root of 718914240 is about 26812.5761537380. The cubic root of 718914240 is about 895.8301920976.

The spelling of 718914240 in words is "seven hundred eighteen million, nine hundred fourteen thousand, two hundred forty".