4056513620 has 48 divisors (see below), whose sum is σ = 8837836560. Its totient is φ = 1562136576.

The previous prime is 4056513607. The next prime is 4056513683. The reversal of 4056513620 is 263156504.

It can be written as a sum of positive squares in 8 ways, for example, as 843437764 + 3213075856 = 29042^2 + 56684^2 .

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 194834 + ... + 214646.

It is an arithmetic number, because the mean of its divisors is an integer number (184121595).

Almost surely, 2^4056513620 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 4056513620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4418918280).

4056513620 is an abundant number, since it is smaller than the sum of its proper divisors (4781322940).

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

4056513620 is a wasteful number, since it uses less digits than its factorization.

4056513620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20204 (or 20202 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 4056513620 is about 63690.7655786928. The cubic root of 4056513620 is about 1594.8419336092.

The spelling of 4056513620 in words is "four billion, fifty-six million, five hundred thirteen thousand, six hundred twenty".