4056542634512 has 10 divisors (see below), whose sum is σ = 7859551354398. Its totient is φ = 2028271317248.

The previous prime is 4056542634511. The next prime is 4056542634517. The reversal of 4056542634512 is 2154362456504.

It can be written as a sum of positive squares in only one way, i.e., 3688996296976 + 367546337536 = 1920676^2 + 606256^2 .

It is a super-2 number, since 2×4056542634512² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4056542634511) 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, 126766957313 + ... + 126766957344.

Almost surely, 2^{4056542634512} is an apocalyptic number.

It is an amenable number.

4056542634512 is a deficient number, since it is larger than the sum of its proper divisors (3803008719886).

4056542634512 is a wasteful number, since it uses less digits than its factorization.

4056542634512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253533914665 (or 253533914659 counting only the distinct ones).

The product of its (nonzero) digits is 3456000, while the sum is 47.

The spelling of 4056542634512 in words is "four trillion, fifty-six billion, five hundred forty-two million, six hundred thirty-four thousand, five hundred twelve".