1180442648 has 128 divisors (see below), whose sum is σ = 2831155200. Its totient is φ = 448156800.

The previous prime is 1180442629. The next prime is 1180442671. The reversal of 1180442648 is 8462440811.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6180233 + ... + 6180423.

It is an arithmetic number, because the mean of its divisors is an integer number (22118400).

Almost surely, 2^1180442648 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1180442648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1415577600).

1180442648 is an abundant number, since it is smaller than the sum of its proper divisors (1650712552).

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

1180442648 is a wasteful number, since it uses less digits than its factorization.

1180442648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421 (or 417 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 38.

The square root of 1180442648 is about 34357.5704612535. The cubic root of 1180442648 is about 1056.8539231448.

The spelling of 1180442648 in words is "one billion, one hundred eighty million, four hundred forty-two thousand, six hundred forty-eight".