1082808240 has 80 divisors (see below), whose sum is σ = 3364070400. Its totient is φ = 288115456.

The previous prime is 1082808151. The next prime is 1082808253. The reversal of 1082808240 is 428082801.

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

It is a super-2 number, since 2×1082808240² = 2344947369223795200, which contains 22 as substring.

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, 110251 + ... + 119669.

It is an arithmetic number, because the mean of its divisors is an integer number (42050880).

Almost surely, 2^1082808240 is an apocalyptic number.

1082808240 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 1082808240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1682035200).

1082808240 is an abundant number, since it is smaller than the sum of its proper divisors (2281262160).

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

1082808240 is a wasteful number, since it uses less digits than its factorization.

1082808240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9914 (or 9908 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 33.

The square root of 1082808240 is about 32906.0517230494. The cubic root of 1082808240 is about 1026.8740618478.

The spelling of 1082808240 in words is "one billion, eighty-two million, eight hundred eight thousand, two hundred forty".