1005501330 has 32 divisors (see below), whose sum is σ = 2681337600. Its totient is φ = 268133616.

The previous prime is 1005501323. The next prime is 1005501331. The reversal of 1005501330 is 331055001.

It is a happy number.

1005501330 is a `hidden beast` number, since 100 + 550 + 13 + 3 + 0 = 666.

It is a super-2 number, since 2×1005501330² = 2022065849263537800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (1005501331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1861770 + ... + 1862309.

It is an arithmetic number, because the mean of its divisors is an integer number (83791800).

Almost surely, 2^1005501330 is an apocalyptic number.

1005501330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1005501330 is an abundant number, since it is smaller than the sum of its proper divisors (1675836270).

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

1005501330 is a wasteful number, since it uses less digits than its factorization.

1005501330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3724095 (or 3724089 counting only the distinct ones).

The product of its (nonzero) digits is 225, while the sum is 18.

The square root of 1005501330 is about 31709.6409629627. The cubic root of 1005501330 is about 1001.8304241698.

Adding to 1005501330 its reverse (331055001), we get a palindrome (1336556331).

The spelling of 1005501330 in words is "one billion, five million, five hundred one thousand, three hundred thirty".