1420600056 has 64 divisors (see below), whose sum is σ = 3762422400. Its totient is φ = 445730688.

The previous prime is 1420600043. The next prime is 1420600057. The reversal of 1420600056 is 6500060241.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 1420599999 and 1420600035.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1420600057) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61671 + ... + 81513.

It is an arithmetic number, because the mean of its divisors is an integer number (58787850).

Almost surely, 2^1420600056 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 1420600056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1881211200).

1420600056 is an abundant number, since it is smaller than the sum of its proper divisors (2341822344).

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

1420600056 is a wasteful number, since it uses less digits than its factorization.

1420600056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20028 (or 20024 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 1420600056 is about 37690.8484383146. The cubic root of 1420600056 is about 1124.1491656663.

Adding to 1420600056 its reverse (6500060241), we get a palindrome (7920660297).

The spelling of 1420600056 in words is "one billion, four hundred twenty million, six hundred thousand, fifty-six".