42210945525 has 24 divisors (see below), whose sum is σ = 79758587584. Its totient is φ = 19296432000.

The previous prime is 42210945499. The next prime is 42210945533. The reversal of 42210945525 is 52554901224.

It is not a de Polignac number, because 42210945525 - 2⁶ = 42210945461 is a prime.

It is a super-2 number, since 2×42210945525² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

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, 40200376 + ... + 40201425.

Almost surely, 2^42210945525 is an apocalyptic number.

It is an amenable number.

42210945525 is a deficient number, since it is larger than the sum of its proper divisors (37547642059).

42210945525 is a wasteful number, since it uses less digits than its factorization.

42210945525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80401821 (or 80401816 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 39.

The spelling of 42210945525 in words is "forty-two billion, two hundred ten million, nine hundred forty-five thousand, five hundred twenty-five".