42440243031401 has 16 divisors (see below), whose sum is σ = 44414345779200. Its totient is φ = 40476886454928.

The previous prime is 42440243031359. The next prime is 42440243031419. The reversal of 42440243031401 is 10413034204424.

42440243031401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42440243031401 is a prime.

It is a super-2 number, since 2×42440243031401² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42440243031491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 461567090 + ... + 461659028.

It is an arithmetic number, because the mean of its divisors is an integer number (2775896611200).

Almost surely, 2^{42440243031401} is an apocalyptic number.

It is an amenable number.

42440243031401 is a deficient number, since it is larger than the sum of its proper divisors (1974102747799).

42440243031401 is a wasteful number, since it uses less digits than its factorization.

42440243031401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150148.

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 42440243031401 its reverse (10413034204424), we get a palindrome (52853277235825).

The spelling of 42440243031401 in words is "forty-two trillion, four hundred forty billion, two hundred forty-three million, thirty-one thousand, four hundred one".