42401404463 has 16 divisors (see below), whose sum is σ = 46864935936. Its totient is φ = 38041911840.

The previous prime is 42401404459. The next prime is 42401404483. The reversal of 42401404463 is 36440410424.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 42401404463 - 2² = 42401404459 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42401404483) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 268106 + ... + 395832.

It is an arithmetic number, because the mean of its divisors is an integer number (2929058496).

Almost surely, 2^42401404463 is an apocalyptic number.

42401404463 is a deficient number, since it is larger than the sum of its proper divisors (4463531473).

42401404463 is a wasteful number, since it uses less digits than its factorization.

42401404463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128134.

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

Adding to 42401404463 its reverse (36440410424), we get a palindrome (78841814887).

The spelling of 42401404463 in words is "forty-two billion, four hundred one million, four hundred four thousand, four hundred sixty-three".