4057206420 has 48 divisors (see below), whose sum is σ = 11958085440. Its totient is φ = 1024978176.

The previous prime is 4057206379. The next prime is 4057206443. The reversal of 4057206420 is 246027504.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1778337 + ... + 1780616.

It is an arithmetic number, because the mean of its divisors is an integer number (249126780).

Almost surely, 2^4057206420 is an apocalyptic number.

It is an amenable number.

4057206420 is an abundant number, since it is smaller than the sum of its proper divisors (7900879020).

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

4057206420 is a wasteful number, since it uses less digits than its factorization.

4057206420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3558984 (or 3558982 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 30.

The square root of 4057206420 is about 63696.2041255207. The cubic root of 4057206420 is about 1594.9327212247.

The spelling of 4057206420 in words is "four billion, fifty-seven million, two hundred six thousand, four hundred twenty".