1040665026352 has 20 divisors (see below), whose sum is σ = 2304329701456. Its totient is φ = 445999296960.

The previous prime is 1040665026347. The next prime is 1040665026377. The reversal of 1040665026352 is 2536205660401.

It is a happy number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 4645825899 + ... + 4645826122.

Almost surely, 2^{1040665026352} is an apocalyptic number.

It is an amenable number.

1040665026352 is an abundant number, since it is smaller than the sum of its proper divisors (1263664675104).

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

1040665026352 is an equidigital number, since it uses as much as digits as its factorization.

1040665026352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9291652036 (or 9291652030 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 40.

The spelling of 1040665026352 in words is "one trillion, forty billion, six hundred sixty-five million, twenty-six thousand, three hundred fifty-two".