1180707840 has 528 divisors, whose sum is σ = 4631591328. Its totient is φ = 286654464.

The previous prime is 1180707799. The next prime is 1180707863. The reversal of 1180707840 is 487070811.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 1180707795 and 1180707804.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 16174044 + ... + 16174116.

Almost surely, 2^1180707840 is an apocalyptic number.

1180707840 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 1180707840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2315795664).

1180707840 is an abundant number, since it is smaller than the sum of its proper divisors (3450883488).

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

1180707840 is an equidigital number, since it uses as much as digits as its factorization.

1180707840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126 (or 96 counting only the distinct ones).

The product of its (nonzero) digits is 12544, while the sum is 36.

The square root of 1180707840 is about 34361.4295395288. The cubic root of 1180707840 is about 1056.9330596226.

The spelling of 1180707840 in words is "one billion, one hundred eighty million, seven hundred seven thousand, eight hundred forty".