42057652766 has 16 divisors (see below), whose sum is σ = 65153503440. Its totient is φ = 20346168960.

The previous prime is 42057652757. The next prime is 42057652771. The reversal of 42057652766 is 66725675024.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1574315 + ... + 1600806.

It is an arithmetic number, because the mean of its divisors is an integer number (4072093965).

Almost surely, 2^42057652766 is an apocalyptic number.

42057652766 is a deficient number, since it is larger than the sum of its proper divisors (23095850674).

42057652766 is a wasteful number, since it uses less digits than its factorization.

42057652766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3175339.

The product of its (nonzero) digits is 4233600, while the sum is 50.

The spelling of 42057652766 in words is "forty-two billion, fifty-seven million, six hundred fifty-two thousand, seven hundred sixty-six".