42320455425 has 48 divisors (see below), whose sum is σ = 78470959680. Its totient is φ = 22359928320.

The previous prime is 42320455399. The next prime is 42320455439. The reversal of 42320455425 is 52455402324.

42320455425 is a `hidden beast` number, since 4 + 23 + 204 + 5 + 5 + 425 = 666.

It is not a de Polignac number, because 42320455425 - 2⁷ = 42320455297 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42320455425.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 220752 + ... + 365201.

It is an arithmetic number, because the mean of its divisors is an integer number (1634811660).

Almost surely, 2^42320455425 is an apocalyptic number.

42320455425 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

42320455425 is a deficient number, since it is larger than the sum of its proper divisors (36150504255).

42320455425 is a wasteful number, since it uses less digits than its factorization.

42320455425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 586079 (or 586068 counting only the distinct ones).

The product of its (nonzero) digits is 192000, while the sum is 36.

Adding to 42320455425 its reverse (52455402324), we get a palindrome (94775857749).

The spelling of 42320455425 in words is "forty-two billion, three hundred twenty million, four hundred fifty-five thousand, four hundred twenty-five".