1796921280 has 896 divisors, whose sum is σ = 8228136960. Its totient is φ = 358318080.

The previous prime is 1796921279. The next prime is 1796921323. The reversal of 1796921280 is 821296971.

1796921280 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 (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 24615324 + ... + 24615396.

Almost surely, 2^1796921280 is an apocalyptic number.

1796921280 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 1796921280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4114068480).

1796921280 is an abundant number, since it is smaller than the sum of its proper divisors (6431215680).

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

1796921280 is a wasteful number, since it uses less digits than its factorization.

1796921280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154 (or 138 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 45.

The square root of 1796921280 is about 42390.1082801165. The cubic root of 1796921280 is about 1215.7464701126.

The spelling of 1796921280 in words is "one billion, seven hundred ninety-six million, nine hundred twenty-one thousand, two hundred eighty".