42426464464 has 10 divisors (see below), whose sum is σ = 82201274930. Its totient is φ = 21213232224.

The previous prime is 42426464429. The next prime is 42426464473. The reversal of 42426464464 is 46446462424.

It can be written as a sum of positive squares in only one way, i.e., 30973184064 + 11453280400 = 175992^2 + 107020^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1325826999 + ... + 1325827030.

It is an arithmetic number, because the mean of its divisors is an integer number (8220127493).

Almost surely, 2^42426464464 is an apocalyptic number.

It is an amenable number.

42426464464 is a deficient number, since it is larger than the sum of its proper divisors (39774810466).

42426464464 is a wasteful number, since it uses less digits than its factorization.

42426464464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2651654037 (or 2651654031 counting only the distinct ones).

The product of its digits is 3538944, while the sum is 46.

The spelling of 42426464464 in words is "forty-two billion, four hundred twenty-six million, four hundred sixty-four thousand, four hundred sixty-four".