1178764040 has 32 divisors (see below), whose sum is σ = 2657940480. Its totient is φ = 470488512.

The previous prime is 1178764001. The next prime is 1178764121. The reversal of 1178764040 is 404678711.

It is a junction number, because it is equal to n+sod(n) for n = 1178763985 and 1178764003.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12872 + ... + 50231.

It is an arithmetic number, because the mean of its divisors is an integer number (83060640).

Almost surely, 2^1178764040 is an apocalyptic number.

1178764040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1178764040 is an abundant number, since it is smaller than the sum of its proper divisors (1479176440).

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

1178764040 is a wasteful number, since it uses less digits than its factorization.

1178764040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63581 (or 63577 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 38.

The square root of 1178764040 is about 34333.1332680255. The cubic root of 1178764040 is about 1056.3527312052.

The spelling of 1178764040 in words is "one billion, one hundred seventy-eight million, seven hundred sixty-four thousand, forty".