1421445296 has 10 divisors (see below), whose sum is σ = 2754050292. Its totient is φ = 710722640.

The previous prime is 1421445253. The next prime is 1421445307. The reversal of 1421445296 is 6925441241.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44420150 + ... + 44420181.

Almost surely, 2^1421445296 is an apocalyptic number.

1421445296 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1421445296 is a deficient number, since it is larger than the sum of its proper divisors (1332604996).

1421445296 is an equidigital number, since it uses as much as digits as its factorization.

1421445296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88840339 (or 88840333 counting only the distinct ones).

The product of its digits is 69120, while the sum is 38.

The square root of 1421445296 is about 37702.0595723894. The cubic root of 1421445296 is about 1124.3720732213.

The spelling of 1421445296 in words is "one billion, four hundred twenty-one million, four hundred forty-five thousand, two hundred ninety-six".