42520673601 has 48 divisors (see below), whose sum is σ = 74837479680. Its totient is φ = 23780524320.

The previous prime is 42520673593. The next prime is 42520673621. The reversal of 42520673601 is 10637602524.

42520673601 is a `hidden beast` number, since 4 + 2 + 520 + 6 + 73 + 60 + 1 = 666.

It is not a de Polignac number, because 42520673601 - 2³ = 42520673593 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42520673621) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 279730 + ... + 404091.

It is an arithmetic number, because the mean of its divisors is an integer number (1559114160).

Almost surely, 2^42520673601 is an apocalyptic number.

It is an amenable number.

42520673601 is a deficient number, since it is larger than the sum of its proper divisors (32316806079).

42520673601 is a wasteful number, since it uses less digits than its factorization.

42520673601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 683891 (or 683878 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The spelling of 42520673601 in words is "forty-two billion, five hundred twenty million, six hundred seventy-three thousand, six hundred one".