42000425525 has 12 divisors (see below), whose sum is σ = 53188625472. Its totient is φ = 32885438640.

The previous prime is 42000425491. The next prime is 42000425531. The reversal of 42000425525 is 52552400024.

It is a de Polignac number, because none of the positive numbers 2^k-42000425525 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 17871347 + ... + 17873696.

It is an arithmetic number, because the mean of its divisors is an integer number (4432385456).

Almost surely, 2^42000425525 is an apocalyptic number.

It is an amenable number.

42000425525 is a deficient number, since it is larger than the sum of its proper divisors (11188199947).

42000425525 is a wasteful number, since it uses less digits than its factorization.

42000425525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35745100 (or 35745095 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 29.

Adding to 42000425525 its reverse (52552400024), we get a palindrome (94552825549).

The spelling of 42000425525 in words is "forty-two billion, four hundred twenty-five thousand, five hundred twenty-five".