1089552480 has 48 divisors (see below), whose sum is σ = 3432091824. Its totient is φ = 290547200.

The previous prime is 1089552479. The next prime is 1089552509. The reversal of 1089552480 is 842559801.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

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, 1134471 + ... + 1135430.

It is an arithmetic number, because the mean of its divisors is an integer number (71501913).

Almost surely, 2^1089552480 is an apocalyptic number.

1089552480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1089552480 is an abundant number, since it is smaller than the sum of its proper divisors (2342539344).

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

1089552480 is a wasteful number, since it uses less digits than its factorization.

1089552480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2269919 (or 2269911 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 42.

The square root of 1089552480 is about 33008.3698476614. The cubic root of 1089552480 is about 1029.0016026933.

The spelling of 1089552480 in words is "one billion, eighty-nine million, five hundred fifty-two thousand, four hundred eighty".