42044442454 has 24 divisors (see below), whose sum is σ = 73940947200. Its totient is φ = 17877159216.

The previous prime is 42044442443. The next prime is 42044442481. The reversal of 42044442454 is 45424444024.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1676629 + ... + 1701520.

It is an arithmetic number, because the mean of its divisors is an integer number (3080872800).

Almost surely, 2^42044442454 is an apocalyptic number.

42044442454 is a deficient number, since it is larger than the sum of its proper divisors (31896504746).

42044442454 is a wasteful number, since it uses less digits than its factorization.

42044442454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3378292 (or 3378285 counting only the distinct ones).

The product of its (nonzero) digits is 327680, while the sum is 37.

Adding to 42044442454 its reverse (45424444024), we get a palindrome (87468886478).

The spelling of 42044442454 in words is "forty-two billion, forty-four million, four hundred forty-two thousand, four hundred fifty-four".