42555630044 has 12 divisors (see below), whose sum is σ = 74918295984. Its totient is φ = 21150402624.

The previous prime is 42555630043. The next prime is 42555630107. The reversal of 42555630044 is 44003655524.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42555630043) 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 in 3 ways as a sum of consecutive naturals, for example, 31852349 + ... + 31853684.

It is an arithmetic number, because the mean of its divisors is an integer number (6243191332).

Almost surely, 2^42555630044 is an apocalyptic number.

It is an amenable number.

42555630044 is a deficient number, since it is larger than the sum of its proper divisors (32362665940).

42555630044 is a wasteful number, since it uses less digits than its factorization.

42555630044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63706204 (or 63706202 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 38.

The spelling of 42555630044 in words is "forty-two billion, five hundred fifty-five million, six hundred thirty thousand, forty-four".