1040003320340 has 96 divisors (see below), whose sum is σ = 2428830835200. Its totient is φ = 372420357120.

The previous prime is 1040003320309. The next prime is 1040003320381. The reversal of 1040003320340 is 430233000401.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 486041 + ... + 1521920.

It is an arithmetic number, because the mean of its divisors is an integer number (25300321200).

Almost surely, 2^{1040003320340} is an apocalyptic number.

1040003320340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1040003320340 is an abundant number, since it is smaller than the sum of its proper divisors (1388827514860).

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

1040003320340 is a wasteful number, since it uses less digits than its factorization.

1040003320340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2008065 (or 2008063 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 1040003320340 its reverse (430233000401), we get a palindrome (1470236320741).

The spelling of 1040003320340 in words is "one trillion, forty billion, three million, three hundred twenty thousand, three hundred forty".