428540050 has 24 divisors (see below), whose sum is σ = 797952276. Its totient is φ = 171229440.

The previous prime is 428540009. The next prime is 428540051. The reversal of 428540050 is 50045824.

It can be written as a sum of positive squares in 6 ways, for example, as 395970201 + 32569849 = 19899^2 + 5707^2 .

It is not an unprimeable number, because it can be changed into a prime (428540051) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 47502 + ... + 55798.

Almost surely, 2^428540050 is an apocalyptic number.

428540050 is a deficient number, since it is larger than the sum of its proper divisors (369412226).

428540050 is a wasteful number, since it uses less digits than its factorization.

428540050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9342 (or 9337 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 28.

The square root of 428540050 is about 20701.2089018975. The cubic root of 428540050 is about 753.9290401739.

Adding to 428540050 its reverse (50045824), we get a palindrome (478585874).

The spelling of 428540050 in words is "four hundred twenty-eight million, five hundred forty thousand, fifty".