1140662666550 has 96 divisors (see below), whose sum is σ = 3089061930240. Its totient is φ = 276250902400.

The previous prime is 1140662666531. The next prime is 1140662666567. The reversal of 1140662666550 is 556662660411.

It is a super-2 number, since 2×1140662666550² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1140662666550.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1330231 + ... + 2012669.

It is an arithmetic number, because the mean of its divisors is an integer number (32177728440).

Almost surely, 2^{1140662666550} is an apocalyptic number.

1140662666550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1140662666550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1544530965120).

1140662666550 is an abundant number, since it is smaller than the sum of its proper divisors (1948399263690).

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

1140662666550 is a wasteful number, since it uses less digits than its factorization.

1140662666550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 683478 (or 683473 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 48.

The spelling of 1140662666550 in words is "one trillion, one hundred forty billion, six hundred sixty-two million, six hundred sixty-six thousand, five hundred fifty".