1099776752640 has 704 divisors, whose sum is σ = 4051480043520. Its totient is φ = 282620067840.

The previous prime is 1099776752623. The next prime is 1099776752689. The reversal of 1099776752640 is 462576779901.

1099776752640 is a `hidden beast` number, since 1 + 0 + 9 + 9 + 7 + 7 + 67 + 526 + 40 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1512759957 + ... + 1512760683.

Almost surely, 2^{1099776752640} is an apocalyptic number.

1099776752640 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 1099776752640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2025740021760).

1099776752640 is an abundant number, since it is smaller than the sum of its proper divisors (2951703290880).

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

1099776752640 is a wasteful number, since it uses less digits than its factorization.

1099776752640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1145 (or 1121 counting only the distinct ones).

The product of its (nonzero) digits is 40007520, while the sum is 63.

The spelling of 1099776752640 in words is "one trillion, ninety-nine billion, seven hundred seventy-six million, seven hundred fifty-two thousand, six hundred forty".