718430849136 has 720 divisors, whose sum is σ = 2849641861248. Its totient is φ = 172244620800.

The previous prime is 718430849057. The next prime is 718430849137. The reversal of 718430849136 is 631948034817.

718430849136 is a `hidden beast` number, since 7 + 18 + 430 + 84 + 91 + 36 = 666.

It is a super-2 number, since 2×718430849136² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (718430849137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 27230031 + ... + 27256401.

Almost surely, 2^718430849136 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 718430849136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1424820930624).

718430849136 is an abundant number, since it is smaller than the sum of its proper divisors (2131211012112).

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

718430849136 is a wasteful number, since it uses less digits than its factorization.

718430849136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26432 (or 26407 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 54.

The spelling of 718430849136 in words is "seven hundred eighteen billion, four hundred thirty million, eight hundred forty-nine thousand, one hundred thirty-six".