42850710317640 has 64 divisors (see below), whose sum is σ = 131687548796160. Its totient is φ = 11148152276480.

The previous prime is 42850710317633. The next prime is 42850710317641. The reversal of 42850710317640 is 4671301705824.

It is a self number, because there is not a number n which added to its sum of digits gives 42850710317640.

It is not an unprimeable number, because it can be changed into a prime (42850710317641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4354742064 + ... + 4354751903.

It is an arithmetic number, because the mean of its divisors is an integer number (2057617949940).

Almost surely, 2^{42850710317640} is an apocalyptic number.

42850710317640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42850710317640 is an abundant number, since it is smaller than the sum of its proper divisors (88836838478520).

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

42850710317640 is a wasteful number, since it uses less digits than its factorization.

42850710317640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8709494022 (or 8709494018 counting only the distinct ones).

The product of its (nonzero) digits is 1128960, while the sum is 48.

The spelling of 42850710317640 in words is "forty-two trillion, eight hundred fifty billion, seven hundred ten million, three hundred seventeen thousand, six hundred forty".