1420048144 has 40 divisors (see below), whose sum is σ = 2901644640. Its totient is φ = 671378688.

The previous prime is 1420048141. The next prime is 1420048151. The reversal of 1420048144 is 4418400241.

It is not an unprimeable number, because it can be changed into a prime (1420048141) 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, 167004 + ... + 175300.

It is an arithmetic number, because the mean of its divisors is an integer number (72541116).

Almost surely, 2^1420048144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1420048144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1450822320).

1420048144 is an abundant number, since it is smaller than the sum of its proper divisors (1481596496).

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

1420048144 is a wasteful number, since it uses less digits than its factorization.

1420048144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8887 (or 8881 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 28.

The square root of 1420048144 is about 37683.5261619716. The cubic root of 1420048144 is about 1124.0035671505.

Adding to 1420048144 its reverse (4418400241), we get a palindrome (5838448385).

The spelling of 1420048144 in words is "one billion, four hundred twenty million, forty-eight thousand, one hundred forty-four".