4071557012 has 6 divisors (see below), whose sum is σ = 7125224778. Its totient is φ = 2035778504.

The previous prime is 4071557011. The next prime is 4071557023. The reversal of 4071557012 is 2107551704.

It can be written as a sum of positive squares in only one way, i.e., 3834581776 + 236975236 = 61924^2 + 15394^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 4071557012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4071557011) by changing a digit.

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 as a sum of consecutive naturals, namely, 508944623 + ... + 508944630.

It is an arithmetic number, because the mean of its divisors is an integer number (1187537463).

Almost surely, 2^4071557012 is an apocalyptic number.

It is an amenable number.

4071557012 is a deficient number, since it is larger than the sum of its proper divisors (3053667766).

4071557012 is a wasteful number, since it uses less digits than its factorization.

4071557012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1017889257 (or 1017889255 counting only the distinct ones).

The product of its (nonzero) digits is 9800, while the sum is 32.

The square root of 4071557012 is about 63808.7534120515. The cubic root of 4071557012 is about 1596.8109672878.

The spelling of 4071557012 in words is "four billion, seventy-one million, five hundred fifty-seven thousand, twelve".