42265512405 has 24 divisors (see below), whose sum is σ = 73267983360. Its totient is φ = 22539218400.

The previous prime is 42265512383. The next prime is 42265512409. The reversal of 42265512405 is 50421556224.

42265512405 is a `hidden beast` number, since 42 + 2 + 65 + 512 + 40 + 5 = 666.

It is not a de Polignac number, because 42265512405 - 2²² = 42261318101 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42265512405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42265512409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 430680 + ... + 519630.

It is an arithmetic number, because the mean of its divisors is an integer number (3052832640).

Almost surely, 2^42265512405 is an apocalyptic number.

42265512405 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

42265512405 is a deficient number, since it is larger than the sum of its proper divisors (31002470955).

42265512405 is a wasteful number, since it uses less digits than its factorization.

42265512405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99521 (or 99518 counting only the distinct ones).

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

The spelling of 42265512405 in words is "forty-two billion, two hundred sixty-five million, five hundred twelve thousand, four hundred five".