1040331000 has 128 divisors (see below), whose sum is σ = 3256868160. Its totient is φ = 276480000.

The previous prime is 1040330987. The next prime is 1040331023. The reversal of 1040331000 is 1330401.

It is a super-2 number, since 2×1040331000² = 2164577179122000000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 1730700 + ... + 1731300.

Almost surely, 2^1040331000 is an apocalyptic number.

1040331000 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 1040331000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1628434080).

1040331000 is an abundant number, since it is smaller than the sum of its proper divisors (2216537160).

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

1040331000 is a wasteful number, since it uses less digits than its factorization.

1040331000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1202 (or 1188 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 1040331000 is about 32254.1625220684. The cubic root of 1040331000 is about 1013.2668782404.

Adding to 1040331000 its reverse (1330401), we get a palindrome (1041661401).

The spelling of 1040331000 in words is "one billion, forty million, three hundred thirty-one thousand".