42425504442 has 12 divisors (see below), whose sum is σ = 91921926330. Its totient is φ = 14141834808.

The previous prime is 42425504437. The next prime is 42425504551. The reversal of 42425504442 is 24440552424.

42425504442 is a `hidden beast` number, since 4 + 24 + 2 + 550 + 44 + 42 = 666.

It can be written as a sum of positive squares in only one way, i.e., 37345949001 + 5079555441 = 193251^2 + 71271^2 .

It is a junction number, because it is equal to n+sod(n) for n = 42425504397 and 42425504406.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1178486217 + ... + 1178486252.

Almost surely, 2^42425504442 is an apocalyptic number.

42425504442 is an abundant number, since it is smaller than the sum of its proper divisors (49496421888).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42425504442 is a wasteful number, since it uses less digits than its factorization.

42425504442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2356972477 (or 2356972474 counting only the distinct ones).

The product of its (nonzero) digits is 204800, while the sum is 36.

The spelling of 42425504442 in words is "forty-two billion, four hundred twenty-five million, five hundred four thousand, four hundred forty-two".