1421842870080 has 140 divisors (see below), whose sum is σ = 5057745320100. Its totient is φ = 379158091776.

The previous prime is 1421842870067. The next prime is 1421842870081. The reversal of 1421842870080 is 800782481241.

1421842870080 is a `hidden beast` number, since 1 + 4 + 218 + 428 + 7 + 0 + 0 + 8 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 201012342336 + 1220830527744 = 448344^2 + 1104912^2 .

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1421842870081) by changing a digit.

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 19 ways as a sum of consecutive naturals, for example, 27401605 + ... + 27453444.

Almost surely, 2^{1421842870080} is an apocalyptic number.

1421842870080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1421842870080 is an abundant number, since it is smaller than the sum of its proper divisors (3635902450020).

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

1421842870080 is an equidigital number, since it uses as much as digits as its factorization.

1421842870080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54855078 (or 54855059 counting only the distinct ones).

The product of its (nonzero) digits is 229376, while the sum is 45.

It can be divided in two parts, 1421842 and 870080, that added together give a palindrome (2291922).

The spelling of 1421842870080 in words is "one trillion, four hundred twenty-one billion, eight hundred forty-two million, eight hundred seventy thousand, eighty".