1080191280 has 240 divisors, whose sum is σ = 4022313984. Its totient is φ = 238855680.

The previous prime is 1080191269. The next prime is 1080191317. The reversal of 1080191280 is 821910801.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 363079 + ... + 366041.

Almost surely, 2^1080191280 is an apocalyptic number.

1080191280 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 1080191280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2011156992).

1080191280 is an abundant number, since it is smaller than the sum of its proper divisors (2942122704).

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

1080191280 is a wasteful number, since it uses less digits than its factorization.

1080191280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3024 (or 3011 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 30.

The square root of 1080191280 is about 32866.2635539850. The cubic root of 1080191280 is about 1026.0461355784.

The spelling of 1080191280 in words is "one billion, eighty million, one hundred ninety-one thousand, two hundred eighty".