1089560472 has 576 divisors, whose sum is σ = 4075545600. Its totient is φ = 239500800.

The previous prime is 1089560431. The next prime is 1089560473. The reversal of 1089560472 is 2740659801.

1089560472 = 2689² + 2690² + ... + 2831².

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1089560473) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 35147097 + ... + 35147127.

It is an arithmetic number, because the mean of its divisors is an integer number (7075600).

Almost surely, 2^1089560472 is an apocalyptic number.

1089560472 is a gapful number since it is divisible by the number (12) 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 1089560472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2037772800).

1089560472 is an abundant number, since it is smaller than the sum of its proper divisors (2985985128).

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

1089560472 is a wasteful number, since it uses less digits than its factorization.

1089560472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108 (or 86 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 42.

The square root of 1089560472 is about 33008.4909076437. The cubic root of 1089560472 is about 1029.0041186378.

The spelling of 1089560472 in words is "one billion, eighty-nine million, five hundred sixty thousand, four hundred seventy-two".