718242412500 has 216 divisors, whose sum is σ = 2274626914560. Its totient is φ = 191081880000.

The previous prime is 718242412499. The next prime is 718242412501. The reversal of 718242412500 is 5214242817.

718242412500 is a `hidden beast` number, since 7 + 182 + 424 + 1 + 2 + 50 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (718242412499) and next prime (718242412501).

It is a super-2 number, since 2×718242412500² (a number of 25 digits) contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (718242412501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 49380229 + ... + 49394771.

It is an arithmetic number, because the mean of its divisors is an integer number (10530680160).

Almost surely, 2^718242412500 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 718242412500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1137313457280).

718242412500 is an abundant number, since it is smaller than the sum of its proper divisors (1556384502060).

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

718242412500 is a wasteful number, since it uses less digits than its factorization.

718242412500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15017 (or 14992 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 36.

The spelling of 718242412500 in words is "seven hundred eighteen billion, two hundred forty-two million, four hundred twelve thousand, five hundred".