505420015300 has 18 divisors (see below), whose sum is σ = 1096761433418. Its totient is φ = 202168006080.

The previous prime is 505420015277. The next prime is 505420015313. The reversal of 505420015300 is 3510024505.

It can be written as a sum of positive squares in 3 ways, for example, as 161501104384 + 343918910916 = 401872^2 + 586446^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2527099977 + ... + 2527100176.

Almost surely, 2^505420015300 is an apocalyptic number.

505420015300 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

505420015300 is an abundant number, since it is smaller than the sum of its proper divisors (591341418118).

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

505420015300 is a wasteful number, since it uses less digits than its factorization.

505420015300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5054200167 (or 5054200160 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 25.

Adding to 505420015300 its reverse (3510024505), we get a palindrome (508930039805).

The spelling of 505420015300 in words is "five hundred five billion, four hundred twenty million, fifteen thousand, three hundred".