42850450371388 has 144 divisors (see below), whose sum is σ = 86808157567488. Its totient is φ = 18352020960000.

The previous prime is 42850450371299. The next prime is 42850450371397. The reversal of 42850450371388 is 88317305405824.

It is a super-2 number, since 2×42850450371388² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2441473213 + ... + 2441490763.

It is an arithmetic number, because the mean of its divisors is an integer number (602834427552).

Almost surely, 2^{42850450371388} is an apocalyptic number.

It is an amenable number.

42850450371388 is an abundant number, since it is smaller than the sum of its proper divisors (43957707196100).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42850450371388 is a wasteful number, since it uses less digits than its factorization.

42850450371388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18432 (or 18411 counting only the distinct ones).

The product of its (nonzero) digits is 25804800, while the sum is 58.

The spelling of 42850450371388 in words is "forty-two trillion, eight hundred fifty billion, four hundred fifty million, three hundred seventy-one thousand, three hundred eighty-eight".