1005508560 has 320 divisors, whose sum is σ = 3771187200. Its totient is φ = 216760320.

The previous prime is 1005508513. The next prime is 1005508583. The reversal of 1005508560 is 658055001.

It is a happy number.

It is a super-2 number, since 2×1005508560² = 2022094928466547200, which contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2239216 + ... + 2239664.

It is an arithmetic number, because the mean of its divisors is an integer number (11784960).

Almost surely, 2^1005508560 is an apocalyptic number.

1005508560 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 1005508560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1885593600).

1005508560 is an abundant number, since it is smaller than the sum of its proper divisors (2765678640).

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

1005508560 is a wasteful number, since it uses less digits than its factorization.

1005508560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 546 (or 540 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 30.

The square root of 1005508560 is about 31709.7549659407. The cubic root of 1005508560 is about 1001.8328253655.

The spelling of 1005508560 in words is "one billion, five million, five hundred eight thousand, five hundred sixty".