1040638596 has 24 divisors (see below), whose sum is σ = 2442197184. Its totient is φ = 344873760.

The previous prime is 1040638591. The next prime is 1040638603. The reversal of 1040638596 is 6958360401.

It is not an unprimeable number, because it can be changed into a prime (1040638591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 248560 + ... + 252711.

It is an arithmetic number, because the mean of its divisors is an integer number (101758216).

Almost surely, 2^1040638596 is an apocalyptic number.

It is an amenable number.

1040638596 is an abundant number, since it is smaller than the sum of its proper divisors (1401558588).

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

1040638596 is a wasteful number, since it uses less digits than its factorization.

1040638596 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 501451 (or 501449 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 42.

The square root of 1040638596 is about 32258.9304844410. The cubic root of 1040638596 is about 1013.3667330385.

Adding to 1040638596 its reverse (6958360401), we get a palindrome (7998998997).

The spelling of 1040638596 in words is "one billion, forty million, six hundred thirty-eight thousand, five hundred ninety-six".