42031025236 has 12 divisors (see below), whose sum is σ = 74942111412. Its totient is φ = 20618993408.

The previous prime is 42031025221. The next prime is 42031025249. The reversal of 42031025236 is 63252013024.

It can be written as a sum of positive squares in 2 ways, for example, as 16700392900 + 25330632336 = 129230^2 + 159156^2 .

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 99129565 + ... + 99129988.

It is an arithmetic number, because the mean of its divisors is an integer number (6245175951).

Almost surely, 2^42031025236 is an apocalyptic number.

It is an amenable number.

42031025236 is a deficient number, since it is larger than the sum of its proper divisors (32911086176).

42031025236 is a wasteful number, since it uses less digits than its factorization.

42031025236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198259610 (or 198259608 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 28.

The spelling of 42031025236 in words is "forty-two billion, thirty-one million, twenty-five thousand, two hundred thirty-six".