42250046865 has 32 divisors (see below), whose sum is σ = 73062990336. Its totient is φ = 20724906240.

The previous prime is 42250046837. The next prime is 42250046887. The reversal of 42250046865 is 56864005224.

It is a happy number.

It is not a de Polignac number, because 42250046865 - 2¹⁵ = 42250014097 is a prime.

It is a Curzon 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 31 ways as a sum of consecutive naturals, for example, 337081 + ... + 445110.

It is an arithmetic number, because the mean of its divisors is an integer number (2283218448).

Almost surely, 2^42250046865 is an apocalyptic number.

It is an amenable number.

42250046865 is a deficient number, since it is larger than the sum of its proper divisors (30812943471).

42250046865 is a wasteful number, since it uses less digits than its factorization.

42250046865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 782489.

The product of its (nonzero) digits is 460800, while the sum is 42.

The spelling of 42250046865 in words is "forty-two billion, two hundred fifty million, forty-six thousand, eight hundred sixty-five".