402230303430 has 256 divisors, whose sum is σ = 1050039936000. Its totient is φ = 98298095616.

The previous prime is 402230303401. The next prime is 402230303441. The reversal of 402230303430 is 34303032204.

It is a self number, because there is not a number n which added to its sum of digits gives 402230303430.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 722136712 + ... + 722137268.

It is an arithmetic number, because the mean of its divisors is an integer number (4101718500).

Almost surely, 2^402230303430 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 402230303430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (525019968000).

402230303430 is an abundant number, since it is smaller than the sum of its proper divisors (647809632570).

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

402230303430 is a wasteful number, since it uses less digits than its factorization.

402230303430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 951.

The product of its (nonzero) digits is 5184, while the sum is 24.

Adding to 402230303430 its reverse (34303032204), we get a palindrome (436533335634).

The spelling of 402230303430 in words is "four hundred two billion, two hundred thirty million, three hundred three thousand, four hundred thirty".