1420004404 has 24 divisors (see below), whose sum is σ = 3058471808. Its totient is φ = 561759840.

The previous prime is 1420004371. The next prime is 1420004449. The reversal of 1420004404 is 4044000241.

It is a congruent 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, 1950192 + ... + 1950919.

Almost surely, 2^1420004404 is an apocalyptic number.

1420004404 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1420004404 is an abundant number, since it is smaller than the sum of its proper divisors (1638467404).

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

1420004404 is a wasteful number, since it uses less digits than its factorization.

1420004404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3901135 (or 3901133 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 19.

The square root of 1420004404 is about 37682.9457978009. The cubic root of 1420004404 is about 1123.9920265979.

Adding to 1420004404 its reverse (4044000241), we get a palindrome (5464004645).

The spelling of 1420004404 in words is "one billion, four hundred twenty million, four thousand, four hundred four".