1840963533640 has 768 divisors, whose sum is σ = 5909760000000. Its totient is φ = 507828787200.

The previous prime is 1840963533569. The next prime is 1840963533653. The reversal of 1840963533640 is 463353690481.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 368263861 + ... + 368268859.

It is an arithmetic number, because the mean of its divisors is an integer number (7695000000).

Almost surely, 2^{1840963533640} is an apocalyptic number.

1840963533640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1840963533640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2954880000000).

1840963533640 is an abundant number, since it is smaller than the sum of its proper divisors (4068796466360).

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

1840963533640 is a wasteful number, since it uses less digits than its factorization.

1840963533640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5114 (or 5103 counting only the distinct ones).

The product of its (nonzero) digits is 5598720, while the sum is 52.

The spelling of 1840963533640 in words is "one trillion, eight hundred forty billion, nine hundred sixty-three million, five hundred thirty-three thousand, six hundred forty".