42440244230413 has 8 divisors (see below), whose sum is σ = 43587362424032. Its totient is φ = 41293130487696.

The previous prime is 42440244230411. The next prime is 42440244230431. The reversal of 42440244230413 is 31403244204424.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42440244230413 - 2¹ = 42440244230411 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42440244230411) 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, 29296306 + ... + 30710812.

It is an arithmetic number, because the mean of its divisors is an integer number (5448420303004).

Almost surely, 2^{42440244230413} is an apocalyptic number.

It is an amenable number.

42440244230413 is a deficient number, since it is larger than the sum of its proper divisors (1147118193619).

42440244230413 is a wasteful number, since it uses less digits than its factorization.

42440244230413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2225451.

The product of its (nonzero) digits is 294912, while the sum is 37.

Adding to 42440244230413 its reverse (31403244204424), we get a palindrome (73843488434837).

The spelling of 42440244230413 in words is "forty-two trillion, four hundred forty billion, two hundred forty-four million, two hundred thirty thousand, four hundred thirteen".