1421350404 has 48 divisors (see below), whose sum is σ = 3496409280. Its totient is φ = 448156800.

The previous prime is 1421350387. The next prime is 1421350429. The reversal of 1421350404 is 4040531241.

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 15 ways as a sum of consecutive naturals, for example, 155382 + ... + 164274.

It is an arithmetic number, because the mean of its divisors is an integer number (72841860).

Almost surely, 2^1421350404 is an apocalyptic number.

It is an amenable number.

1421350404 is an abundant number, since it is smaller than the sum of its proper divisors (2075058876).

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

1421350404 is a wasteful number, since it uses less digits than its factorization.

1421350404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9620 (or 9618 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 1421350404 is about 37700.8011055468. The cubic root of 1421350404 is about 1124.3470526103.

Adding to 1421350404 its reverse (4040531241), we get a palindrome (5461881645).

It can be divided in two parts, 142 and 1350404, that added together give a triangular number (1350546 = T₁₆₄₃).

The spelling of 1421350404 in words is "one billion, four hundred twenty-one million, three hundred fifty thousand, four hundred four".