42510333257 has 16 divisors (see below), whose sum is σ = 51554810880. Its totient is φ = 34262452752.

The previous prime is 42510333251. The next prime is 42510333301. The reversal of 42510333257 is 75233301524.

It is a cyclic number.

It is not a de Polignac number, because 42510333257 - 2⁴ = 42510333241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42510333251) 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 15 ways as a sum of consecutive naturals, for example, 2228123 + ... + 2247120.

It is an arithmetic number, because the mean of its divisors is an integer number (3222175680).

Almost surely, 2^42510333257 is an apocalyptic number.

It is an amenable number.

42510333257 is a deficient number, since it is larger than the sum of its proper divisors (9044477623).

42510333257 is a wasteful number, since it uses less digits than its factorization.

42510333257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4475332.

The product of its (nonzero) digits is 75600, while the sum is 35.

The spelling of 42510333257 in words is "forty-two billion, five hundred ten million, three hundred thirty-three thousand, two hundred fifty-seven".