1032911403840 has 140 divisors (see below), whose sum is σ = 3674247671556. Its totient is φ = 275443034112.

The previous prime is 1032911403817. The next prime is 1032911403841. The reversal of 1032911403840 is 483041192301.

It can be written as a sum of positive squares in 2 ways, for example, as 781356995136 + 251554408704 = 883944^2 + 501552^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 1032911403795 and 1032911403804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1032911403841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 19899069 + ... + 19950908.

Almost surely, 2^{1032911403840} is an apocalyptic number.

1032911403840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1032911403840 is an abundant number, since it is smaller than the sum of its proper divisors (2641336267716).

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

1032911403840 is an equidigital number, since it uses as much as digits as its factorization.

1032911403840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39850006 (or 39849987 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The spelling of 1032911403840 in words is "one trillion, thirty-two billion, nine hundred eleven million, four hundred three thousand, eight hundred forty".