427640050 has 12 divisors (see below), whose sum is σ = 795410586. Its totient is φ = 171056000.

The previous prime is 427640039. The next prime is 427640051. The reversal of 427640050 is 50046724.

It can be written as a sum of positive squares in 3 ways, for example, as 416690569 + 10949481 = 20413^2 + 3309^2 .

It is not an unprimeable number, because it can be changed into a prime (427640051) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4276351 + ... + 4276450.

Almost surely, 2^427640050 is an apocalyptic number.

427640050 is a deficient number, since it is larger than the sum of its proper divisors (367770536).

427640050 is a wasteful number, since it uses less digits than its factorization.

427640050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8552813 (or 8552808 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 427640050 is about 20679.4596157637. The cubic root of 427640050 is about 753.4008812918.

Adding to 427640050 its reverse (50046724), we get a palindrome (477686774).

The spelling of 427640050 in words is "four hundred twenty-seven million, six hundred forty thousand, fifty".