42555145827 has 8 divisors (see below), whose sum is σ = 56746218240. Its totient is φ = 28367085320.

The previous prime is 42555145811. The next prime is 42555145837. The reversal of 42555145827 is 72854155524.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42555145827 - 2⁴ = 42555145811 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42555145837) 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 7 ways as a sum of consecutive naturals, for example, 719799 + ... + 776672.

It is an arithmetic number, because the mean of its divisors is an integer number (7093277280).

Almost surely, 2^42555145827 is an apocalyptic number.

42555145827 is a deficient number, since it is larger than the sum of its proper divisors (14191072413).

42555145827 is a wasteful number, since it uses less digits than its factorization.

42555145827 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1505953.

The product of its digits is 2240000, while the sum is 48.

The spelling of 42555145827 in words is "forty-two billion, five hundred fifty-five million, one hundred forty-five thousand, eight hundred twenty-seven".