1005163040 has 48 divisors (see below), whose sum is σ = 2713943232. Its totient is φ = 344626944.

The previous prime is 1005163039. The next prime is 1005163067. The reversal of 1005163040 is 403615001.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 447614 + ... + 449853.

It is an arithmetic number, because the mean of its divisors is an integer number (56540484).

Almost surely, 2^1005163040 is an apocalyptic number.

1005163040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1005163040 is an abundant number, since it is smaller than the sum of its proper divisors (1708780192).

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

1005163040 is an equidigital number, since it uses as much as digits as its factorization.

1005163040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 897489 (or 897481 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 1005163040 is about 31704.3063321057. The cubic root of 1005163040 is about 1001.7180599131.

Adding to 1005163040 its reverse (403615001), we get a palindrome (1408778041).

The spelling of 1005163040 in words is "one billion, five million, one hundred sixty-three thousand, forty".