718443140 has 24 divisors (see below), whose sum is σ = 1543819200. Its totient is φ = 280693728.

The previous prime is 718443101. The next prime is 718443161. The reversal of 718443140 is 41344817.

It is a junction number, because it is equal to n+sod(n) for n = 718443097 and 718443106.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 416840 + ... + 418559.

It is an arithmetic number, because the mean of its divisors is an integer number (64325800).

Almost surely, 2^718443140 is an apocalyptic number.

It is an amenable number.

718443140 is an abundant number, since it is smaller than the sum of its proper divisors (825376060).

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

718443140 is a wasteful number, since it uses less digits than its factorization.

718443140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 835451 (or 835449 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 718443140 is about 26803.7896574346. The cubic root of 718443140 is about 895.6344720348.

Adding to 718443140 its reverse (41344817), we get a palindrome (759787957).

The spelling of 718443140 in words is "seven hundred eighteen million, four hundred forty-three thousand, one hundred forty".