1155794080 has 96 divisors (see below), whose sum is σ = 3221406720. Its totient is φ = 383477760.

The previous prime is 1155794071. The next prime is 1155794117. The reversal of 1155794080 is 804975511.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18076 + ... + 51364.

It is an arithmetic number, because the mean of its divisors is an integer number (33556320).

Almost surely, 2^1155794080 is an apocalyptic number.

1155794080 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 1155794080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1610703360).

1155794080 is an abundant number, since it is smaller than the sum of its proper divisors (2065612640).

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

1155794080 is a wasteful number, since it uses less digits than its factorization.

1155794080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33342 (or 33334 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 40.

The square root of 1155794080 is about 33996.9716298379. The cubic root of 1155794080 is about 1049.4461417624.

The spelling of 1155794080 in words is "one billion, one hundred fifty-five million, seven hundred ninety-four thousand, eighty".