1421347488 has 48 divisors (see below), whose sum is σ = 4070225376. Its totient is φ = 430711040.

The previous prime is 1421347457. The next prime is 1421347493. The reversal of 1421347488 is 8847431241.

It is a tau number, because it is divible by the number of its divisors (48).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 671931 + ... + 674042.

It is an arithmetic number, because the mean of its divisors is an integer number (84796362).

Almost surely, 2^1421347488 is an apocalyptic number.

It is an amenable number.

1421347488 is an abundant number, since it is smaller than the sum of its proper divisors (2648877888).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1421347488 is a wasteful number, since it uses less digits than its factorization.

1421347488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1345997 (or 1345989 counting only the distinct ones).

The product of its digits is 172032, while the sum is 42.

The square root of 1421347488 is about 37700.7624326087. The cubic root of 1421347488 is about 1124.3462837175.

The spelling of 1421347488 in words is "one billion, four hundred twenty-one million, three hundred forty-seven thousand, four hundred eighty-eight".