2017696380 has 144 divisors (see below), whose sum is σ = 6672960000. Its totient is φ = 446221440.

The previous prime is 2017696361. The next prime is 2017696409. The reversal of 2017696380 is 836967102.

It is a happy number.

2017696380 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 401121 + ... + 406119.

It is an arithmetic number, because the mean of its divisors is an integer number (46340000).

Almost surely, 2^2017696380 is an apocalyptic number.

2017696380 is a gapful number since it is divisible by the number (20) 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 2017696380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3336480000).

2017696380 is an abundant number, since it is smaller than the sum of its proper divisors (4655263620).

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

2017696380 is a wasteful number, since it uses less digits than its factorization.

2017696380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5080 (or 5047 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 42.

The square root of 2017696380 is about 44918.7753617571. The cubic root of 2017696380 is about 1263.6261504210.

The spelling of 2017696380 in words is "two billion, seventeen million, six hundred ninety-six thousand, three hundred eighty".