1796981760 has 440 divisors, whose sum is σ = 7371165120. Its totient is φ = 410075136.

The previous prime is 1796981749. The next prime is 1796981761. The reversal of 1796981760 is 671896971.

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

It is a junction number, because it is equal to n+sod(n) for n = 1796981697 and 1796981706.

It is not an unprimeable number, because it can be changed into a prime (1796981761) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2902731 + ... + 2903349.

It is an arithmetic number, because the mean of its divisors is an integer number (16752648).

Almost surely, 2^1796981760 is an apocalyptic number.

1796981760 is a gapful number since it is divisible by the number (10) 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 1796981760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3685582560).

1796981760 is an abundant number, since it is smaller than the sum of its proper divisors (5574183360).

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

1796981760 is an equidigital number, since it uses as much as digits as its factorization.

1796981760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 663 (or 636 counting only the distinct ones).

The product of its (nonzero) digits is 1143072, while the sum is 54.

The square root of 1796981760 is about 42390.8216480879. The cubic root of 1796981760 is about 1215.7601096493.

The spelling of 1796981760 in words is "one billion, seven hundred ninety-six million, nine hundred eighty-one thousand, seven hundred sixty".