1420056036 has 144 divisors (see below), whose sum is σ = 4504945536. Its totient is φ = 381832704.

The previous prime is 1420055993. The next prime is 1420056097. The reversal of 1420056036 is 6306500241.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 109530 + ... + 121806.

It is an arithmetic number, because the mean of its divisors is an integer number (31284344).

Almost surely, 2^1420056036 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 1420056036, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2252472768).

1420056036 is an abundant number, since it is smaller than the sum of its proper divisors (3084889500).

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

1420056036 is a wasteful number, since it uses less digits than its factorization.

1420056036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12320 (or 12306 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 1420056036 is about 37683.6308760183. The cubic root of 1420056036 is about 1124.0056493850.

Adding to 1420056036 its reverse (6306500241), we get a palindrome (7726556277).

The spelling of 1420056036 in words is "one billion, four hundred twenty million, fifty-six thousand, thirty-six".