1420064321450 has 24 divisors (see below), whose sum is σ = 2643346865568. Its totient is φ = 567589765680.

The previous prime is 1420064321449. The next prime is 1420064321497. The reversal of 1420064321450 is 541234600241.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10833272 + ... + 10963571.

It is an arithmetic number, because the mean of its divisors is an integer number (110139452732).

Almost surely, 2^{1420064321450} is an apocalyptic number.

1420064321450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1420064321450 is a deficient number, since it is larger than the sum of its proper divisors (1223282544118).

1420064321450 is a wasteful number, since it uses less digits than its factorization.

1420064321450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21798158 (or 21798153 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 32.

Adding to 1420064321450 its reverse (541234600241), we get a palindrome (1961298921691).

The spelling of 1420064321450 in words is "one trillion, four hundred twenty billion, sixty-four million, three hundred twenty-one thousand, four hundred fifty".