1420004432 has 80 divisors (see below), whose sum is σ = 3481539072. Its totient is φ = 544959360.

The previous prime is 1420004371. The next prime is 1420004449. The reversal of 1420004432 is 2344000241.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73943 + ... + 91145.

Almost surely, 2^1420004432 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 1420004432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1740769536).

1420004432 is an abundant number, since it is smaller than the sum of its proper divisors (2061534640).

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

1420004432 is a wasteful number, since it uses less digits than its factorization.

1420004432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17296 (or 17290 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 1420004432 is about 37682.9461693217. The cubic root of 1420004432 is about 1123.9920339857.

Adding to 1420004432 its reverse (2344000241), we get a palindrome (3764004673).

The spelling of 1420004432 in words is "one billion, four hundred twenty million, four thousand, four hundred thirty-two".