718742040 has 32 divisors (see below), whose sum is σ = 2156226480. Its totient is φ = 191664512.

The previous prime is 718742029. The next prime is 718742041. The reversal of 718742040 is 40247817.

It is a junction number, because it is equal to n+sod(n) for n = 718741992 and 718742010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (718742041) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2994639 + ... + 2994878.

Almost surely, 2^718742040 is an apocalyptic number.

It is an amenable number.

718742040 is an abundant number, since it is smaller than the sum of its proper divisors (1437484440).

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

718742040 is a wasteful number, since it uses less digits than its factorization.

718742040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5989531 (or 5989527 counting only the distinct ones).

The product of its (nonzero) digits is 12544, while the sum is 33.

The square root of 718742040 is about 26809.3647817325. The cubic root of 718742040 is about 895.7586609521.

Adding to 718742040 its reverse (40247817), we get a palindrome (758989857).

The spelling of 718742040 in words is "seven hundred eighteen million, seven hundred forty-two thousand, forty".