1420004452 has 24 divisors (see below), whose sum is σ = 2612002176. Its totient is φ = 674169408.

The previous prime is 1420004449. The next prime is 1420004479. The reversal of 1420004452 is 2544000241.

It is a happy number.

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 in 7 ways as a sum of consecutive naturals, for example, 43728 + ... + 68935.

It is an arithmetic number, because the mean of its divisors is an integer number (108833424).

Almost surely, 2^1420004452 is an apocalyptic number.

It is an amenable number.

1420004452 is a deficient number, since it is larger than the sum of its proper divisors (1191997724).

1420004452 is a wasteful number, since it uses less digits than its factorization.

1420004452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112827 (or 112825 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 1420004452 is about 37682.9464346938. The cubic root of 1420004452 is about 1123.9920392626.

Adding to 1420004452 its reverse (2544000241), we get a palindrome (3964004693).

The spelling of 1420004452 in words is "one billion, four hundred twenty million, four thousand, four hundred fifty-two".