42445512351 has 20 divisors (see below), whose sum is σ = 69170466024. Its totient is φ = 25724552400.

The previous prime is 42445512313. The next prime is 42445512379. The reversal of 42445512351 is 15321554424.

42445512351 is a `hidden beast` number, since 4 + 244 + 55 + 12 + 351 = 666.

It is not a de Polignac number, because 42445512351 - 2⁶ = 42445512287 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42445512451) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 23818140 + ... + 23819921.

Almost surely, 2^42445512351 is an apocalyptic number.

42445512351 is a deficient number, since it is larger than the sum of its proper divisors (26724953673).

42445512351 is a wasteful number, since it uses less digits than its factorization.

42445512351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47638084 (or 47638075 counting only the distinct ones).

The product of its digits is 96000, while the sum is 36.

The spelling of 42445512351 in words is "forty-two billion, four hundred forty-five million, five hundred twelve thousand, three hundred fifty-one".