42455502025 has 6 divisors (see below), whose sum is σ = 52644822542. Its totient is φ = 33964401600.

The previous prime is 42455502017. The next prime is 42455502029. The reversal of 42455502025 is 52020555424.

It can be written as a sum of positive squares in 3 ways, for example, as 10002200121 + 32453301904 = 100011^2 + 180148^2 .

It is not a de Polignac number, because 42455502025 - 2³ = 42455502017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42455502029) by changing a digit.

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, 849110016 + ... + 849110065.

Almost surely, 2^42455502025 is an apocalyptic number.

It is an amenable number.

42455502025 is a deficient number, since it is larger than the sum of its proper divisors (10189320517).

42455502025 is a wasteful number, since it uses less digits than its factorization.

42455502025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1698220091 (or 1698220086 counting only the distinct ones).

The product of its (nonzero) digits is 80000, while the sum is 34.

The spelling of 42455502025 in words is "forty-two billion, four hundred fifty-five million, five hundred two thousand, twenty-five".