4056220854 has 128 divisors (see below), whose sum is σ = 10815897600. Its totient is φ = 1102338720.

The previous prime is 4056220849. The next prime is 4056220877. The reversal of 4056220854 is 4580226504.

It is a happy number.

4056220854 is a `hidden beast` number, since 40 + 562 + 2 + 0 + 8 + 54 = 666.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 688429 + ... + 694295.

It is an arithmetic number, because the mean of its divisors is an integer number (84499200).

Almost surely, 2^4056220854 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4056220854, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5407948800).

4056220854 is an abundant number, since it is smaller than the sum of its proper divisors (6759676746).

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

4056220854 is a wasteful number, since it uses less digits than its factorization.

4056220854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5975 (or 5969 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 36.

The square root of 4056220854 is about 63688.4671977588. The cubic root of 4056220854 is about 1594.8035651340.

It can be divided in two parts, 40562 and 20854, that added together give a palindrome (61416).

The spelling of 4056220854 in words is "four billion, fifty-six million, two hundred twenty thousand, eight hundred fifty-four".