1126844036640 has 384 divisors, whose sum is σ = 4569129976320. Its totient is φ = 254035574784.

The previous prime is 1126844036629. The next prime is 1126844036707. The reversal of 1126844036640 is 466304486211.

1126844036640 is a `hidden beast` number, since 1 + 126 + 84 + 403 + 6 + 6 + 40 = 666.

It is a super-2 number, since 2×1126844036640² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

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 63 ways as a sum of consecutive naturals, for example, 1952292 + ... + 2462748.

It is an arithmetic number, because the mean of its divisors is an integer number (11898775980).

Almost surely, 2^{1126844036640} is an apocalyptic number.

1126844036640 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 1126844036640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2284564988160).

1126844036640 is an abundant number, since it is smaller than the sum of its proper divisors (3442285939680).

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

1126844036640 is a wasteful number, since it uses less digits than its factorization.

1126844036640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510561 (or 510547 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 45.

The spelling of 1126844036640 in words is "one trillion, one hundred twenty-six billion, eight hundred forty-four million, thirty-six thousand, six hundred forty".