719880670026 has 128 divisors (see below), whose sum is σ = 1833753600000. Its totient is φ = 205064177472.

The previous prime is 719880670021. The next prime is 719880670081. The reversal of 719880670026 is 620076088917.

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (719880670021) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 205737225 + ... + 205740723.

It is an arithmetic number, because the mean of its divisors is an integer number (14326200000).

Almost surely, 2^719880670026 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 719880670026, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (916876800000).

719880670026 is an abundant number, since it is smaller than the sum of its proper divisors (1113872929974).

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

719880670026 is a wasteful number, since it uses less digits than its factorization.

719880670026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4993 (or 4987 counting only the distinct ones).

The product of its (nonzero) digits is 2032128, while the sum is 54.

The spelling of 719880670026 in words is "seven hundred nineteen billion, eight hundred eighty million, six hundred seventy thousand, twenty-six".