2042656756450 has 24 divisors (see below), whose sum is σ = 3804334202340. Its totient is φ = 815989017600.

The previous prime is 2042656756411. The next prime is 2042656756451. The reversal of 2042656756450 is 546576562402.

It can be written as a sum of positive squares in 6 ways, for example, as 52280365201 + 1990376391249 = 228649^2 + 1410807^2 .

It is not an unprimeable number, because it can be changed into a prime (2042656756451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26803695 + ... + 26879794.

Almost surely, 2^{2042656756450} is an apocalyptic number.

2042656756450 is a deficient number, since it is larger than the sum of its proper divisors (1761677445890).

2042656756450 is a wasteful number, since it uses less digits than its factorization.

2042656756450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53684262 (or 53684257 counting only the distinct ones).

The product of its (nonzero) digits is 12096000, while the sum is 52.

The spelling of 2042656756450 in words is "two trillion, forty-two billion, six hundred fifty-six million, seven hundred fifty-six thousand, four hundred fifty".