42160742625638 has 32 divisors (see below), whose sum is σ = 77919913021440. Its totient is φ = 16660825990560.

The previous prime is 42160742625629. The next prime is 42160742625667. The reversal of 42160742625638 is 83652624706124.

It is a Curzon 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 15 ways as a sum of consecutive naturals, for example, 125867798 + ... + 126202313.

It is an arithmetic number, because the mean of its divisors is an integer number (2434997281920).

Almost surely, 2^{42160742625638} is an apocalyptic number.

42160742625638 is a deficient number, since it is larger than the sum of its proper divisors (35759170395802).

42160742625638 is a wasteful number, since it uses less digits than its factorization.

42160742625638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252071052.

The product of its (nonzero) digits is 23224320, while the sum is 56.

The spelling of 42160742625638 in words is "forty-two trillion, one hundred sixty billion, seven hundred forty-two million, six hundred twenty-five thousand, six hundred thirty-eight".