1080544140 has 288 divisors, whose sum is σ = 3903209856. Its totient is φ = 239247360.

The previous prime is 1080544111. The next prime is 1080544159. The reversal of 1080544140 is 414450801.

It is a happy number.

1080544140 is a `hidden beast` number, since 1 + 0 + 80 + 544 + 1 + 40 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 914350 + ... + 915530.

It is an arithmetic number, because the mean of its divisors is an integer number (13552812).

Almost surely, 2^1080544140 is an apocalyptic number.

1080544140 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 1080544140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1951604928).

1080544140 is an abundant number, since it is smaller than the sum of its proper divisors (2822665716).

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

1080544140 is a wasteful number, since it uses less digits than its factorization.

1080544140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1249 (or 1244 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 27.

The square root of 1080544140 is about 32871.6312342421. The cubic root of 1080544140 is about 1026.1578476521.

Adding to 1080544140 its reverse (414450801), we get a palindrome (1494994941).

It can be divided in two parts, 10805 and 44140, that added together give a palindrome (54945).

The spelling of 1080544140 in words is "one billion, eighty million, five hundred forty-four thousand, one hundred forty".