402750229050 has 252 divisors, whose sum is σ = 1216220729994. Its totient is φ = 99137001600.

The previous prime is 402750229043. The next prime is 402750229051. The reversal of 402750229050 is 50922057204.

It is a happy number.

402750229050 is a `hidden beast` number, since 40 + 27 + 502 + 2 + 90 + 5 + 0 = 666.

402750229050 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 9 ways, for example, as 84041430201 + 318708798849 = 289899^2 + 564543^2 .

It is a junction number, because it is equal to n+sod(n) for n = 402750228996 and 402750229014.

It is not an unprimeable number, because it can be changed into a prime (402750229051) by changing a digit.

It is a polite number, since it can be written in 125 ways as a sum of consecutive naturals, for example, 6127360 + ... + 6192740.

Almost surely, 2^402750229050 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 402750229050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (608110364997).

402750229050 is an abundant number, since it is smaller than the sum of its proper divisors (813470500944).

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

402750229050 is a wasteful number, since it uses less digits than its factorization.

402750229050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65437 (or 65404 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The spelling of 402750229050 in words is "four hundred two billion, seven hundred fifty million, two hundred twenty-nine thousand, fifty".