1082649280 has 112 divisors (see below), whose sum is σ = 2661452640. Its totient is φ = 419225600.

The previous prime is 1082649263. The next prime is 1082649287. The reversal of 1082649280 is 829462801.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (1082649287) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2348250 + ... + 2348710.

It is an arithmetic number, because the mean of its divisors is an integer number (23762970).

Almost surely, 2^1082649280 is an apocalyptic number.

1082649280 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 1082649280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1330726320).

1082649280 is an abundant number, since it is smaller than the sum of its proper divisors (1578803360).

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

1082649280 is a wasteful number, since it uses less digits than its factorization.

1082649280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 698 (or 688 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 40.

The square root of 1082649280 is about 32903.6362732145. The cubic root of 1082649280 is about 1026.8238098324.

It can be divided in two parts, 10826 and 49280, that added together give a palindrome (60106).

The spelling of 1082649280 in words is "one billion, eighty-two million, six hundred forty-nine thousand, two hundred eighty".