42004450311 has 4 divisors (see below), whose sum is σ = 56005933752. Its totient is φ = 28002966872.

The previous prime is 42004450303. The next prime is 42004450321. The reversal of 42004450311 is 11305440024.

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 42004450311 - 2³ = 42004450303 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42004450321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7000741716 + ... + 7000741721.

It is an arithmetic number, because the mean of its divisors is an integer number (14001483438).

Almost surely, 2^42004450311 is an apocalyptic number.

42004450311 is a deficient number, since it is larger than the sum of its proper divisors (14001483441).

42004450311 is a wasteful number, since it uses less digits than its factorization.

42004450311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14001483440.

The product of its (nonzero) digits is 1920, while the sum is 24.

Adding to 42004450311 its reverse (11305440024), we get a palindrome (53309890335).

The spelling of 42004450311 in words is "forty-two billion, four million, four hundred fifty thousand, three hundred eleven".