10782821008640 has 72 divisors (see below), whose sum is σ = 25873461021408. Its totient is φ = 4305574471680.

The previous prime is 10782821008633. The next prime is 10782821008681. The reversal of 10782821008640 is 4680012828701.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6645722 + ... + 8107481.

Almost surely, 2^{10782821008640} is an apocalyptic number.

10782821008640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10782821008640 is an abundant number, since it is smaller than the sum of its proper divisors (15090640012768).

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

10782821008640 is an equidigital number, since it uses as much as digits as its factorization.

10782821008640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14753795 (or 14753781 counting only the distinct ones).

The product of its (nonzero) digits is 344064, while the sum is 47.

The spelling of 10782821008640 in words is "ten trillion, seven hundred eighty-two billion, eight hundred twenty-one million, eight thousand, six hundred forty".