1039303991040 has 144 divisors (see below), whose sum is σ = 3793459665408. Its totient is φ = 237555191808.

The previous prime is 1039303991023. The next prime is 1039303991059. The reversal of 1039303991040 is 401993039301.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 1039303990983 and 1039303991001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19305412 + ... + 19359171.

Almost surely, 2^{1039303991040} is an apocalyptic number.

1039303991040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1039303991040 is an abundant number, since it is smaller than the sum of its proper divisors (2754155674368).

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

1039303991040 is an equidigital number, since it uses as much as digits as its factorization.

1039303991040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38664614 (or 38664600 counting only the distinct ones).

The product of its (nonzero) digits is 78732, while the sum is 42.

The spelling of 1039303991040 in words is "one trillion, thirty-nine billion, three hundred three million, nine hundred ninety-one thousand, forty".