1000323003040 has 72 divisors (see below), whose sum is σ = 2470481289108. Its totient is φ = 382732247040.

The previous prime is 1000323003037. The next prime is 1000323003059. The reversal of 1000323003040 is 403003230001.

It can be written as a sum of positive squares in 2 ways, for example, as 901960480656 + 98362522384 = 949716^2 + 313628^2 .

It is a super-2 number, since 2×1000323003040² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5824641 + ... + 5993920.

Almost surely, 2^{1000323003040} is an apocalyptic number.

1000323003040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1000323003040 is an abundant number, since it is smaller than the sum of its proper divisors (1470158286068).

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

1000323003040 is a wasteful number, since it uses less digits than its factorization.

1000323003040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11818622 (or 11818591 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 16.

Adding to 1000323003040 its reverse (403003230001), we get a palindrome (1403326233041).

The spelling of 1000323003040 in words is "one trillion, three hundred twenty-three million, three thousand, forty".