1421034444 has 18 divisors (see below), whose sum is σ = 3592059380. Its totient is φ = 473678136.

The previous prime is 1421034401. The next prime is 1421034449. The reversal of 1421034444 is 4444301241.

1421034444 is a `hidden beast` number, since 1 + 4 + 210 + 3 + 4 + 444 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is not an unprimeable number, because it can be changed into a prime (1421034449) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 19736554 + ... + 19736625.

Almost surely, 2^1421034444 is an apocalyptic number.

It is an amenable number.

1421034444 is an abundant number, since it is smaller than the sum of its proper divisors (2171024936).

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

1421034444 is a wasteful number, since it uses less digits than its factorization.

1421034444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39473189 (or 39473184 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

The square root of 1421034444 is about 37696.6105107608. The cubic root of 1421034444 is about 1124.2637339531.

Adding to 1421034444 its reverse (4444301241), we get a palindrome (5865335685).

The spelling of 1421034444 in words is "one billion, four hundred twenty-one million, thirty-four thousand, four hundred forty-four".