42400041111 has 8 divisors (see below), whose sum is σ = 62814875760. Its totient is φ = 28266694056.

The previous prime is 42400041059. The next prime is 42400041121. The reversal of 42400041111 is 11114000424.

42400041111 is a `hidden beast` number, since 4 + 240 + 0 + 0 + 411 + 11 = 666.

It is not a de Polignac number, because 42400041111 - 2⁷ = 42400040983 is a prime.

It is a super-3 number, since 3×42400041111³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42400041121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 785185920 + ... + 785185973.

It is an arithmetic number, because the mean of its divisors is an integer number (7851859470).

Almost surely, 2^42400041111 is an apocalyptic number.

42400041111 is a deficient number, since it is larger than the sum of its proper divisors (20414834649).

42400041111 is a wasteful number, since it uses less digits than its factorization.

42400041111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1570371902 (or 1570371896 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 42400041111 its reverse (11114000424), we get a palindrome (53514041535).

The spelling of 42400041111 in words is "forty-two billion, four hundred million, forty-one thousand, one hundred eleven".