1144520214640 has 80 divisors (see below), whose sum is σ = 2903869140480. Its totient is φ = 416053013760.

The previous prime is 1144520214637. The next prime is 1144520214709. The reversal of 1144520214640 is 464120254411.

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 1144520214596 and 1144520214605.

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 15 ways as a sum of consecutive naturals, for example, 2498317 + ... + 2920723.

It is an arithmetic number, because the mean of its divisors is an integer number (36298364256).

Almost surely, 2^{1144520214640} is an apocalyptic number.

1144520214640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1144520214640 is an abundant number, since it is smaller than the sum of its proper divisors (1759348925840).

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

1144520214640 is a wasteful number, since it uses less digits than its factorization.

1144520214640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425510 (or 425504 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 34.

The spelling of 1144520214640 in words is "one trillion, one hundred forty-four billion, five hundred twenty million, two hundred fourteen thousand, six hundred forty".