402525004230 has 128 divisors (see below), whose sum is σ = 1125153469440. Its totient is φ = 102286437120.

The previous prime is 402525004183. The next prime is 402525004331. The reversal of 402525004230 is 32400525204.

It is a happy number.

402525004230 is a `hidden beast` number, since 40 + 2 + 52 + 500 + 42 + 30 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 402525004194 and 402525004203.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 53199 + ... + 898821.

It is an arithmetic number, because the mean of its divisors is an integer number (8790261480).

Almost surely, 2^402525004230 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 402525004230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (562576734720).

402525004230 is an abundant number, since it is smaller than the sum of its proper divisors (722628465210).

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

402525004230 is a wasteful number, since it uses less digits than its factorization.

402525004230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 845723 (or 845717 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

Adding to 402525004230 its reverse (32400525204), we get a palindrome (434925529434).

The spelling of 402525004230 in words is "four hundred two billion, five hundred twenty-five million, four thousand, two hundred thirty".