1089523488 has 24 divisors (see below), whose sum is σ = 2859999408. Its totient is φ = 363174464.

The previous prime is 1089523483. The next prime is 1089523499. The reversal of 1089523488 is 8843259801.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×1089523488² = 2374122861807372288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (1089523483) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5674506 + ... + 5674697.

It is an arithmetic number, because the mean of its divisors is an integer number (119166642).

Almost surely, 2^1089523488 is an apocalyptic number.

It is an amenable number.

1089523488 is an abundant number, since it is smaller than the sum of its proper divisors (1770475920).

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

1089523488 is a wasteful number, since it uses less digits than its factorization.

1089523488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11349216 (or 11349208 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 48.

The square root of 1089523488 is about 33007.9306833979. The cubic root of 1089523488 is about 1028.9924756802.

The spelling of 1089523488 in words is "one billion, eighty-nine million, five hundred twenty-three thousand, four hundred eighty-eight".