1082651280 has 80 divisors (see below), whose sum is σ = 3363903744. Its totient is φ = 288046080.

The previous prime is 1082651267. The next prime is 1082651321. The reversal of 1082651280 is 821562801.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 104745 + ... + 114615.

Almost surely, 2^1082651280 is an apocalyptic number.

1082651280 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 1082651280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1681951872).

1082651280 is an abundant number, since it is smaller than the sum of its proper divisors (2281252464).

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

1082651280 is a wasteful number, since it uses less digits than its factorization.

1082651280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10344 (or 10338 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 33.

The square root of 1082651280 is about 32903.6666649782. Note that the first 5 decimals coincide. The cubic root of 1082651280 is about 1026.8244421228.

The spelling of 1082651280 in words is "one billion, eighty-two million, six hundred fifty-one thousand, two hundred eighty".