716981207040 has 1360 divisors, whose sum is σ = 3124212550272. Its totient is φ = 153561858048.

The previous prime is 716981207003. The next prime is 716981207069. The reversal of 716981207040 is 40702189617.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (1360).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 3158507407 + ... + 3158507633.

Almost surely, 2^716981207040 is an apocalyptic number.

716981207040 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 716981207040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1562106275136).

716981207040 is an abundant number, since it is smaller than the sum of its proper divisors (2407231343232).

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

716981207040 is an equidigital number, since it uses as much as digits as its factorization.

716981207040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300 (or 261 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 45.

The spelling of 716981207040 in words is "seven hundred sixteen billion, nine hundred eighty-one million, two hundred seven thousand, forty".