1180758840 has 64 divisors (see below), whose sum is σ = 3553925760. Its totient is φ = 313833600.

The previous prime is 1180758833. The next prime is 1180758847. The reversal of 1180758840 is 488570811.

It is an interprime number because it is at equal distance from previous prime (1180758833) and next prime (1180758847).

It is a junction number, because it is equal to n+sod(n) for n = 1180758792 and 1180758801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1180758847) 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, 20815 + ... + 52865.

It is an arithmetic number, because the mean of its divisors is an integer number (55530090).

Almost surely, 2^1180758840 is an apocalyptic number.

1180758840 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 1180758840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1776962880).

1180758840 is an abundant number, since it is smaller than the sum of its proper divisors (2373166920).

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

1180758840 is a wasteful number, since it uses less digits than its factorization.

1180758840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32372 (or 32368 counting only the distinct ones).

The product of its (nonzero) digits is 71680, while the sum is 42.

The square root of 1180758840 is about 34362.1716426654. The cubic root of 1180758840 is about 1056.9482772766.

The spelling of 1180758840 in words is "one billion, one hundred eighty million, seven hundred fifty-eight thousand, eight hundred forty".