42210742077 has 24 divisors (see below), whose sum is σ = 69799993536. Its totient is φ = 24079311936.

The previous prime is 42210742073. The next prime is 42210742081. The reversal of 42210742077 is 77024701224.

It is a happy number.

42210742077 is a `hidden beast` number, since 4 + 221 + 0 + 7 + 420 + 7 + 7 = 666.

It is an interprime number because it is at equal distance from previous prime (42210742073) and next prime (42210742081).

It is not a de Polignac number, because 42210742077 - 2² = 42210742073 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42210742073) 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 23 ways as a sum of consecutive naturals, for example, 533728 + ... + 607689.

It is an arithmetic number, because the mean of its divisors is an integer number (2908333064).

Almost surely, 2^42210742077 is an apocalyptic number.

It is an amenable number.

42210742077 is a deficient number, since it is larger than the sum of its proper divisors (27589251459).

42210742077 is a wasteful number, since it uses less digits than its factorization.

42210742077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1142017 (or 1142014 counting only the distinct ones).

The product of its (nonzero) digits is 43904, while the sum is 36.

The spelling of 42210742077 in words is "forty-two billion, two hundred ten million, seven hundred forty-two thousand, seventy-seven".