719866120140 has 144 divisors (see below), whose sum is σ = 2259382769280. Its totient is φ = 185304430080.

The previous prime is 719866120121. The next prime is 719866120247. The reversal of 719866120140 is 41021668917.

719866120140 is a `hidden beast` number, since 7 + 19 + 8 + 6 + 612 + 0 + 14 + 0 = 666.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 29465130 + ... + 29489550.

It is an arithmetic number, because the mean of its divisors is an integer number (15690158120).

Almost surely, 2^719866120140 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 719866120140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1129691384640).

719866120140 is an abundant number, since it is smaller than the sum of its proper divisors (1539516649140).

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

719866120140 is a wasteful number, since it uses less digits than its factorization.

719866120140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30112 (or 30107 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The spelling of 719866120140 in words is "seven hundred nineteen billion, eight hundred sixty-six million, one hundred twenty thousand, one hundred forty".