4057969540 has 12 divisors (see below), whose sum is σ = 8521736076. Its totient is φ = 1623187808.

The previous prime is 4057969529. The next prime is 4057969541. The reversal of 4057969540 is 459697504.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 932935936 + 3125033604 = 30544^2 + 55902^2 .

It is not an unprimeable number, because it can be changed into a prime (4057969541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101449219 + ... + 101449258.

It is an arithmetic number, because the mean of its divisors is an integer number (710144673).

Almost surely, 2^4057969540 is an apocalyptic number.

It is an amenable number.

4057969540 is an abundant number, since it is smaller than the sum of its proper divisors (4463766536).

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

4057969540 is a wasteful number, since it uses less digits than its factorization.

4057969540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202898486 (or 202898484 counting only the distinct ones).

The product of its (nonzero) digits is 1360800, while the sum is 49.

The square root of 4057969540 is about 63702.1941537338. The cubic root of 4057969540 is about 1595.0327119269.

The spelling of 4057969540 in words is "four billion, fifty-seven million, nine hundred sixty-nine thousand, five hundred forty".