1130556840 has 256 divisors, whose sum is σ = 3989606400. Its totient is φ = 250988544.

The previous prime is 1130556809. The next prime is 1130556853. The reversal of 1130556840 is 486550311.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6315871 + ... + 6316049.

It is an arithmetic number, because the mean of its divisors is an integer number (15584400).

Almost surely, 2^1130556840 is an apocalyptic number.

1130556840 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 1130556840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1994803200).

1130556840 is an abundant number, since it is smaller than the sum of its proper divisors (2859049560).

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

1130556840 is a wasteful number, since it uses less digits than its factorization.

1130556840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 376 (or 372 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 33.

The square root of 1130556840 is about 33623.7541033121. The cubic root of 1130556840 is about 1041.7514987836.

The spelling of 1130556840 in words is "one billion, one hundred thirty million, five hundred fifty-six thousand, eight hundred forty".