42400220019 has 4 divisors (see below), whose sum is σ = 56533626696. Its totient is φ = 28266813344.

The previous prime is 42400219973. The next prime is 42400220029. The reversal of 42400220019 is 91002200424.

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

It is a cyclic number.

It is not a de Polignac number, because 42400220019 - 2⁷ = 42400219891 is a prime.

It is a super-2 number, since 2×42400220019² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42400220029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7066703334 + ... + 7066703339.

It is an arithmetic number, because the mean of its divisors is an integer number (14133406674).

Almost surely, 2^42400220019 is an apocalyptic number.

42400220019 is a deficient number, since it is larger than the sum of its proper divisors (14133406677).

42400220019 is a wasteful number, since it uses less digits than its factorization.

42400220019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14133406676.

The product of its (nonzero) digits is 1152, while the sum is 24.

The spelling of 42400220019 in words is "forty-two billion, four hundred million, two hundred twenty thousand, nineteen".