1040330434240 has 56 divisors (see below), whose sum is σ = 2480821314192. Its totient is φ = 415538457600.

The previous prime is 1040330434159. The next prime is 1040330434289. The reversal of 1040330434240 is 424340330401.

It is a junction number, because it is equal to n+sod(n) for n = 1040330434199 and 1040330434208.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2094534 + ... + 2543173.

Almost surely, 2^{1040330434240} is an apocalyptic number.

1040330434240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1040330434240 is an abundant number, since it is smaller than the sum of its proper divisors (1440490879952).

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

1040330434240 is an equidigital number, since it uses as much as digits as its factorization.

1040330434240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4638425 (or 4638415 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 1040330434240 its reverse (424340330401), we get a palindrome (1464670764641).

The spelling of 1040330434240 in words is "one trillion, forty billion, three hundred thirty million, four hundred thirty-four thousand, two hundred forty".