1040332040 has 96 divisors (see below), whose sum is σ = 2600899200. Its totient is φ = 371354880.

The previous prime is 1040332039. The next prime is 1040332121. The reversal of 1040332040 is 402330401.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6013394 + ... + 6013566.

It is an arithmetic number, because the mean of its divisors is an integer number (27092700).

Almost surely, 2^1040332040 is an apocalyptic number.

1040332040 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 1040332040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1300449600).

1040332040 is an abundant number, since it is smaller than the sum of its proper divisors (1560567160).

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

1040332040 is a wasteful number, since it uses less digits than its factorization.

1040332040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 447 (or 270 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 1040332040 is about 32254.1786440145. The cubic root of 1040332040 is about 1013.2672158885.

Adding to 1040332040 its reverse (402330401), we get a palindrome (1442662441).

The spelling of 1040332040 in words is "one billion, forty million, three hundred thirty-two thousand, forty".