42840009295896 has 32 divisors (see below), whose sum is σ = 108390384970560. Its totient is φ = 14107954867872.

The previous prime is 42840009295841. The next prime is 42840009295913. The reversal of 42840009295896 is 69859290004824.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10753012390 + ... + 10753016373.

It is an arithmetic number, because the mean of its divisors is an integer number (3387199530330).

Almost surely, 2^{42840009295896} is an apocalyptic number.

It is an amenable number.

42840009295896 is an abundant number, since it is smaller than the sum of its proper divisors (65550375674664).

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

42840009295896 is a wasteful number, since it uses less digits than its factorization.

42840009295896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21506028855 (or 21506028851 counting only the distinct ones).

The product of its (nonzero) digits is 89579520, while the sum is 66.

The spelling of 42840009295896 in words is "forty-two trillion, eight hundred forty billion, nine million, two hundred ninety-five thousand, eight hundred ninety-six".