42340340067220 has 24 divisors (see below), whose sum is σ = 95754307537224. Its totient is φ = 15633356332416.

The previous prime is 42340340067217. The next prime is 42340340067239. The reversal of 42340340067220 is 2276004304324.

It can be written as a sum of positive squares in 4 ways, for example, as 3632058393616 + 38708281673604 = 1905796^2 + 6221598^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 42340340067220.

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, 81423730639 + ... + 81423731158.

It is an arithmetic number, because the mean of its divisors is an integer number (3989762814051).

Almost surely, 2^{42340340067220} is an apocalyptic number.

It is an amenable number.

42340340067220 is an abundant number, since it is smaller than the sum of its proper divisors (53413967470004).

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

42340340067220 is a wasteful number, since it uses less digits than its factorization.

42340340067220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162847461819 (or 162847461817 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 37.

The spelling of 42340340067220 in words is "forty-two trillion, three hundred forty billion, three hundred forty million, sixty-seven thousand, two hundred twenty".