1420544628786 has 16 divisors (see below), whose sum is σ = 2841519348864. Its totient is φ = 473443194384.

The previous prime is 1420544628779. The next prime is 1420544628787. The reversal of 1420544628786 is 6878264450241.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1420544628787) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17877525 + ... + 17956808.

It is an arithmetic number, because the mean of its divisors is an integer number (177594959304).

Almost surely, 2^{1420544628786} is an apocalyptic number.

1420544628786 is an abundant number, since it is smaller than the sum of its proper divisors (1420974720078).

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

1420544628786 is a wasteful number, since it uses less digits than its factorization.

1420544628786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35840945.

The product of its (nonzero) digits is 20643840, while the sum is 57.

The spelling of 1420544628786 in words is "one trillion, four hundred twenty billion, five hundred forty-four million, six hundred twenty-eight thousand, seven hundred eighty-six".