42240400001 has 4 divisors (see below), whose sum is σ = 42240851904. Its totient is φ = 42239948100.

The previous prime is 42240399991. The next prime is 42240400039. The reversal of 42240400001 is 10000404224.

42240400001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42240400001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42240400061) 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, 27845 + ... + 291986.

It is an arithmetic number, because the mean of its divisors is an integer number (10560212976).

Almost surely, 2^42240400001 is an apocalyptic number.

It is an amenable number.

42240400001 is a deficient number, since it is larger than the sum of its proper divisors (451903).

42240400001 is a wasteful number, since it uses less digits than its factorization.

42240400001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 451902.

The product of its (nonzero) digits is 256, while the sum is 17.

Adding to 42240400001 its reverse (10000404224), we get a palindrome (52240804225).

The spelling of 42240400001 in words is "forty-two billion, two hundred forty million, four hundred thousand, one".