716155440 has 480 divisors, whose sum is σ = 3014473728. Its totient is φ = 136857600.

The previous prime is 716155423. The next prime is 716155441. The reversal of 716155440 is 44551617.

716155440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×716155440² = 1025757228483187200, which contains 22 as substring.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (716155441) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2642505 + ... + 2642775.

Almost surely, 2^716155440 is an apocalyptic number.

716155440 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 716155440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1507236864).

716155440 is an abundant number, since it is smaller than the sum of its proper divisors (2298318288).

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

716155440 is a wasteful number, since it uses less digits than its factorization.

716155440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329 (or 312 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 33.

The square root of 716155440 is about 26761.0806956670. The cubic root of 716155440 is about 894.6828209332.

The spelling of 716155440 in words is "seven hundred sixteen million, one hundred fifty-five thousand, four hundred forty".