1822763612440 has 32 divisors (see below), whose sum is σ = 4188478092480. Its totient is φ = 713592562432.

The previous prime is 1822763612413. The next prime is 1822763612443. The reversal of 1822763612440 is 442163672281.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1822763612443) 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 7 ways as a sum of consecutive naturals, for example, 484775677 + ... + 484779436.

It is an arithmetic number, because the mean of its divisors is an integer number (130889940390).

Almost surely, 2^{1822763612440} is an apocalyptic number.

1822763612440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1822763612440 is an abundant number, since it is smaller than the sum of its proper divisors (2365714480040).

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

1822763612440 is a wasteful number, since it uses less digits than its factorization.

1822763612440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 969555171 (or 969555167 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 46.

The spelling of 1822763612440 in words is "one trillion, eight hundred twenty-two billion, seven hundred sixty-three million, six hundred twelve thousand, four hundred forty".