42217052475 has 24 divisors (see below), whose sum is σ = 75168004912. Its totient is φ = 20783779200.

The previous prime is 42217052419. The next prime is 42217052491. The reversal of 42217052475 is 57425071224.

It is a happy number.

42217052475 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 42217052475 - 2¹⁰ = 42217051451 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21648796 + ... + 21650745.

Almost surely, 2^42217052475 is an apocalyptic number.

42217052475 is a deficient number, since it is larger than the sum of its proper divisors (32950952437).

42217052475 is a wasteful number, since it uses less digits than its factorization.

42217052475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43299567 (or 43299562 counting only the distinct ones).

The product of its (nonzero) digits is 156800, while the sum is 39.

The spelling of 42217052475 in words is "forty-two billion, two hundred seventeen million, fifty-two thousand, four hundred seventy-five".