42508425405 has 16 divisors (see below), whose sum is σ = 68029174080. Its totient is φ = 22665929088.

The previous prime is 42508425371. The next prime is 42508425481. The reversal of 42508425405 is 50452480524.

It is not a de Polignac number, because 42508425405 - 2¹² = 42508421309 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 259320 + ... + 390209.

It is an arithmetic number, because the mean of its divisors is an integer number (4251823380).

Almost surely, 2^42508425405 is an apocalyptic number.

It is an amenable number.

42508425405 is a deficient number, since it is larger than the sum of its proper divisors (25520748675).

42508425405 is a wasteful number, since it uses less digits than its factorization.

42508425405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 653900.

The product of its (nonzero) digits is 256000, while the sum is 39.

The spelling of 42508425405 in words is "forty-two billion, five hundred eight million, four hundred twenty-five thousand, four hundred five".