1162478880 has 144 divisors (see below), whose sum is σ = 4139553600. Its totient is φ = 296507904.

The previous prime is 1162478861. The next prime is 1162478893. The reversal of 1162478880 is 888742611.

1162478880 is a `hidden beast` number, since 11 + 624 + 7 + 8 + 8 + 8 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15571 + ... + 50669.

It is an arithmetic number, because the mean of its divisors is an integer number (28746900).

Almost surely, 2^1162478880 is an apocalyptic number.

1162478880 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 1162478880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2069776800).

1162478880 is an abundant number, since it is smaller than the sum of its proper divisors (2977074720).

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

1162478880 is a wasteful number, since it uses less digits than its factorization.

1162478880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35143 (or 35132 counting only the distinct ones).

The product of its (nonzero) digits is 172032, while the sum is 45.

The square root of 1162478880 is about 34095.1445223510. The cubic root of 1162478880 is about 1051.4654910690.

The spelling of 1162478880 in words is "one billion, one hundred sixty-two million, four hundred seventy-eight thousand, eight hundred eighty".