716608440 has 48 divisors (see below), whose sum is σ = 2328978600. Its totient is φ = 191095488.

The previous prime is 716608393. The next prime is 716608441. The reversal of 716608440 is 44806617.

716608440 is a `hidden beast` number, since 7 + 1 + 6 + 608 + 4 + 40 = 666.

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 = 716608395 and 716608404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (716608441) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 994930 + ... + 995649.

Almost surely, 2^716608440 is an apocalyptic number.

It is an amenable number.

716608440 is an abundant number, since it is smaller than the sum of its proper divisors (1612370160).

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

716608440 is a wasteful number, since it uses less digits than its factorization.

716608440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1990596 (or 1990589 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 716608440 is about 26769.5431414135. The cubic root of 716608440 is about 894.8714233279.

The spelling of 716608440 in words is "seven hundred sixteen million, six hundred eight thousand, four hundred forty".