42210145427 has 32 divisors (see below), whose sum is σ = 46480718592. Its totient is φ = 38172524544.

The previous prime is 42210145421. The next prime is 42210145477. The reversal of 42210145427 is 72454101224.

It is a cyclic number.

It is not a de Polignac number, because 42210145427 - 2⁸ = 42210145171 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42210145393 and 42210145402.

It is not an unprimeable number, because it can be changed into a prime (42210145421) 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, 15591608 + ... + 15594314.

It is an arithmetic number, because the mean of its divisors is an integer number (1452522456).

Almost surely, 2^42210145427 is an apocalyptic number.

42210145427 is a deficient number, since it is larger than the sum of its proper divisors (4270573165).

42210145427 is a wasteful number, since it uses less digits than its factorization.

42210145427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3107.

The product of its (nonzero) digits is 17920, while the sum is 32.

The spelling of 42210145427 in words is "forty-two billion, two hundred ten million, one hundred forty-five thousand, four hundred twenty-seven".