1420435404 has 72 divisors (see below), whose sum is σ = 3677834160. Its totient is φ = 462064512.

The previous prime is 1420435361. The next prime is 1420435411. The reversal of 1420435404 is 4045340241.

It is a happy number.

1420435404 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 373987 + ... + 377765.

It is an arithmetic number, because the mean of its divisors is an integer number (51081030).

Almost surely, 2^1420435404 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1420435404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1838917080).

1420435404 is an abundant number, since it is smaller than the sum of its proper divisors (2257398756).

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

1420435404 is a wasteful number, since it uses less digits than its factorization.

1420435404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4039 (or 4034 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

The square root of 1420435404 is about 37688.6641312743. The cubic root of 1420435404 is about 1124.1057331841.

Adding to 1420435404 its reverse (4045340241), we get a palindrome (5465775645).

The spelling of 1420435404 in words is "one billion, four hundred twenty million, four hundred thirty-five thousand, four hundred four".