1005040336 has 40 divisors (see below), whose sum is σ = 2017513728. Its totient is φ = 484512000.

The previous prime is 1005040301. The next prime is 1005040343. The reversal of 1005040336 is 6330405001.

It is a congruent number.

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, 135771 + ... + 142981.

Almost surely, 2^1005040336 is an apocalyptic number.

1005040336 is a gapful number since it is divisible by the number (16) 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 1005040336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1008756864).

1005040336 is an abundant number, since it is smaller than the sum of its proper divisors (1012473392).

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

1005040336 is a wasteful number, since it uses less digits than its factorization.

1005040336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7531 (or 7525 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 1005040336 is about 31702.3711416039. The cubic root of 1005040336 is about 1001.6772971015.

Adding to 1005040336 its reverse (6330405001), we get a palindrome (7335445337).

The spelling of 1005040336 in words is "one billion, five million, forty thousand, three hundred thirty-six".