1420430616 has 144 divisors (see below), whose sum is σ = 4319733600. Its totient is φ = 421153920.

The previous prime is 1420430603. The next prime is 1420430717. The reversal of 1420430616 is 6160340241.

1420430616 is a `hidden beast` number, since 1 + 4 + 2 + 0 + 43 + 0 + 616 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 1420430616.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 407730 + ... + 411198.

It is an arithmetic number, because the mean of its divisors is an integer number (29998150).

Almost surely, 2^1420430616 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 1420430616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2159866800).

1420430616 is an abundant number, since it is smaller than the sum of its proper divisors (2899302984).

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

1420430616 is a wasteful number, since it uses less digits than its factorization.

1420430616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3550 (or 3532 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 1420430616 is about 37688.6006107948. The cubic root of 1420430616 is about 1124.1044701384.

Adding to 1420430616 its reverse (6160340241), we get a palindrome (7580770857).

The spelling of 1420430616 in words is "one billion, four hundred twenty million, four hundred thirty thousand, six hundred sixteen".