42368720571 has 32 divisors (see below), whose sum is σ = 63298887680. Its totient is φ = 28007386848.

The previous prime is 42368720567. The next prime is 42368720573. The reversal of 42368720571 is 17502786324.

42368720571 is a `hidden beast` number, since 4 + 2 + 3 + 6 + 8 + 72 + 0 + 571 = 666.

It is not a de Polignac number, because 42368720571 - 2² = 42368720567 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42368720573) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10926285 + ... + 10930161.

It is an arithmetic number, because the mean of its divisors is an integer number (1978090240).

Almost surely, 2^42368720571 is an apocalyptic number.

42368720571 is a deficient number, since it is larger than the sum of its proper divisors (20930167109).

42368720571 is a wasteful number, since it uses less digits than its factorization.

42368720571 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7200 (or 7194 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 45.

The spelling of 42368720571 in words is "forty-two billion, three hundred sixty-eight million, seven hundred twenty thousand, five hundred seventy-one".