1153044480 has 312 divisors, whose sum is σ = 4302830592. Its totient is φ = 262864896.

The previous prime is 1153044461. The next prime is 1153044511. The reversal of 1153044480 is 844403511.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 3010369 + ... + 3010751.

Almost surely, 2^1153044480 is an apocalyptic number.

1153044480 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 1153044480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2151415296).

1153044480 is an abundant number, since it is smaller than the sum of its proper divisors (3149786112).

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

1153044480 is an equidigital number, since it uses as much as digits as its factorization.

1153044480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429 (or 400 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 30.

The square root of 1153044480 is about 33956.5086544539. The cubic root of 1153044480 is about 1048.6132804974.

Adding to 1153044480 its reverse (844403511), we get a palindrome (1997447991).

The spelling of 1153044480 in words is "one billion, one hundred fifty-three million, forty-four thousand, four hundred eighty".