42400341013 has 4 divisors (see below), whose sum is σ = 42423126508. Its totient is φ = 42377555520.

The previous prime is 42400340999. The next prime is 42400341059. The reversal of 42400341013 is 31014300424.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2621235204 + 39779105809 = 51198^2 + 199447^2 .

It is a cyclic number.

It is not a de Polignac number, because 42400341013 - 2⁵ = 42400340981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42400341073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11389956 + ... + 11393677.

It is an arithmetic number, because the mean of its divisors is an integer number (10605781627).

Almost surely, 2^42400341013 is an apocalyptic number.

It is an amenable number.

42400341013 is a deficient number, since it is larger than the sum of its proper divisors (22785495).

42400341013 is a wasteful number, since it uses less digits than its factorization.

42400341013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22785494.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 42400341013 its reverse (31014300424), we get a palindrome (73414641437).

The spelling of 42400341013 in words is "forty-two billion, four hundred million, three hundred forty-one thousand, thirteen".