42144426454 has 16 divisors (see below), whose sum is σ = 68086240992. Its totient is φ = 19449335808.

The previous prime is 42144426451. The next prime is 42144426473. The reversal of 42144426454 is 45462444124.

It is a super-2 number, since 2×42144426454² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42144426451) 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, 204207 + ... + 354949.

It is an arithmetic number, because the mean of its divisors is an integer number (4255390062).

Almost surely, 2^42144426454 is an apocalyptic number.

42144426454 is a deficient number, since it is larger than the sum of its proper divisors (25941814538).

42144426454 is a wasteful number, since it uses less digits than its factorization.

42144426454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161511.

The product of its digits is 491520, while the sum is 40.

The spelling of 42144426454 in words is "forty-two billion, one hundred forty-four million, four hundred twenty-six thousand, four hundred fifty-four".