505406243010 has 32 divisors (see below), whose sum is σ = 1219986411840. Its totient is φ = 133995950528.

The previous prime is 505406243009. The next prime is 505406243011. The reversal of 505406243010 is 10342604505.

It is an interprime number because it is at equal distance from previous prime (505406243009) and next prime (505406243011).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (505406243011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48685200 + ... + 48695579.

It is an arithmetic number, because the mean of its divisors is an integer number (38124575370).

Almost surely, 2^505406243010 is an apocalyptic number.

505406243010 is an abundant number, since it is smaller than the sum of its proper divisors (714580168830).

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

505406243010 is a wasteful number, since it uses less digits than its factorization.

505406243010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97380962.

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 505406243010 its reverse (10342604505), we get a palindrome (515748847515).

The spelling of 505406243010 in words is "five hundred five billion, four hundred six million, two hundred forty-three thousand, ten".