1420027172720 has 160 divisors (see below), whose sum is σ = 3783797696448. Its totient is φ = 490969350144.

The previous prime is 1420027172713. The next prime is 1420027172779. The reversal of 1420027172720 is 272717200241.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3279107 + ... + 3686813.

Almost surely, 2^{1420027172720} is an apocalyptic number.

1420027172720 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 1420027172720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1891898848224).

1420027172720 is an abundant number, since it is smaller than the sum of its proper divisors (2363770523728).

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

1420027172720 is a wasteful number, since it uses less digits than its factorization.

1420027172720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407947 (or 407941 counting only the distinct ones).

The product of its (nonzero) digits is 21952, while the sum is 35.

The spelling of 1420027172720 in words is "one trillion, four hundred twenty billion, twenty-seven million, one hundred seventy-two thousand, seven hundred twenty".