1234445566680 has 48 divisors (see below), whose sum is σ = 4011948092880. Its totient is φ = 329185484352.

The previous prime is 1234445566631. The next prime is 1234445566729. The reversal of 1234445566680 is 866655444321.

It is an interprime number because it is at equal distance from previous prime (1234445566631) and next prime (1234445566729).

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1714507372 + ... + 1714508091.

It is an arithmetic number, because the mean of its divisors is an integer number (83582251935).

Almost surely, 2^{1234445566680} is an apocalyptic number.

1234445566680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1234445566680 is an abundant number, since it is smaller than the sum of its proper divisors (2777502526200).

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

1234445566680 is a wasteful number, since it uses less digits than its factorization.

1234445566680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3429015480 (or 3429015473 counting only the distinct ones).

The product of its (nonzero) digits is 16588800, while the sum is 54.

The spelling of 1234445566680 in words is "one trillion, two hundred thirty-four billion, four hundred forty-five million, five hundred sixty-six thousand, six hundred eighty".