42144450351 has 8 divisors (see below), whose sum is σ = 57388187904. Its totient is φ = 27498506520.

The previous prime is 42144450347. The next prime is 42144450379. The reversal of 42144450351 is 15305444124.

It is a happy number.

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

It is not a de Polignac number, because 42144450351 - 2² = 42144450347 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42144450331) 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, 149448265 + ... + 149448546.

It is an arithmetic number, because the mean of its divisors is an integer number (7173523488).

Almost surely, 2^42144450351 is an apocalyptic number.

42144450351 is a deficient number, since it is larger than the sum of its proper divisors (15243737553).

42144450351 is a wasteful number, since it uses less digits than its factorization.

42144450351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298896861.

The product of its (nonzero) digits is 38400, while the sum is 33.

Adding to 42144450351 its reverse (15305444124), we get a palindrome (57449894475).

The spelling of 42144450351 in words is "forty-two billion, one hundred forty-four million, four hundred fifty thousand, three hundred fifty-one".