1083742560 has 144 divisors (see below), whose sum is σ = 3723829200. Its totient is φ = 287001600.

The previous prime is 1083742519. The next prime is 1083742567. The reversal of 1083742560 is 652473801.

1083742560 is a `hidden beast` number, since 10 + 83 + 7 + 4 + 2 + 560 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1083742567) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 212035 + ... + 217085.

It is an arithmetic number, because the mean of its divisors is an integer number (25859925).

Almost surely, 2^1083742560 is an apocalyptic number.

1083742560 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 1083742560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1861914600).

1083742560 is an abundant number, since it is smaller than the sum of its proper divisors (2640086640).

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

1083742560 is a wasteful number, since it uses less digits than its factorization.

1083742560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5221 (or 5210 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 1083742560 is about 32920.2454425844. The cubic root of 1083742560 is about 1027.1693290111.

The spelling of 1083742560 in words is "one billion, eighty-three million, seven hundred forty-two thousand, five hundred sixty".