42404554225 has 12 divisors (see below), whose sum is σ = 57361797360. Its totient is φ = 30839675600.

The previous prime is 42404554223. The next prime is 42404554249. The reversal of 42404554225 is 52245540424.

It is not a de Polignac number, because 42404554225 - 2¹ = 42404554223 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42404554223) 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 11 ways as a sum of consecutive naturals, for example, 77098915 + ... + 77099464.

It is an arithmetic number, because the mean of its divisors is an integer number (4780149780).

Almost surely, 2^42404554225 is an apocalyptic number.

It is an amenable number.

42404554225 is a deficient number, since it is larger than the sum of its proper divisors (14957243135).

42404554225 is a wasteful number, since it uses less digits than its factorization.

42404554225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154198400 (or 154198395 counting only the distinct ones).

The product of its (nonzero) digits is 256000, while the sum is 37.

The spelling of 42404554225 in words is "forty-two billion, four hundred four million, five hundred fifty-four thousand, two hundred twenty-five".