718228280880 has 1280 divisors, whose sum is σ = 2899151585280. Its totient is φ = 161725132800.

The previous prime is 718228280849. The next prime is 718228280921. The reversal of 718228280880 is 88082822817.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 4151608474 + ... + 4151608646.

It is an arithmetic number, because the mean of its divisors is an integer number (2264962176).

Almost surely, 2^718228280880 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 718228280880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1449575792640).

718228280880 is an abundant number, since it is smaller than the sum of its proper divisors (2180923304400).

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

718228280880 is a wasteful number, since it uses less digits than its factorization.

718228280880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407 (or 395 counting only the distinct ones).

The product of its (nonzero) digits is 1835008, while the sum is 54.

The spelling of 718228280880 in words is "seven hundred eighteen billion, two hundred twenty-eight million, two hundred eighty thousand, eight hundred eighty".