505212040350 has 96 divisors (see below), whose sum is σ = 1406492166240. Its totient is φ = 133334277120.

The previous prime is 505212040339. The next prime is 505212040357. The reversal of 505212040350 is 53040212505.

It is a happy number.

505212040350 is a `hidden beast` number, since 50 + 521 + 2 + 0 + 40 + 3 + 50 = 666.

It is a super-2 number, since 2×505212040350² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505212040357) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1798077 + ... + 2059976.

It is an arithmetic number, because the mean of its divisors is an integer number (14650960065).

Almost surely, 2^505212040350 is an apocalyptic number.

505212040350 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

505212040350 is an abundant number, since it is smaller than the sum of its proper divisors (901280125890).

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

505212040350 is a wasteful number, since it uses less digits than its factorization.

505212040350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3858171 (or 3858160 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

Adding to 505212040350 its reverse (53040212505), we get a palindrome (558252252855).

The spelling of 505212040350 in words is "five hundred five billion, two hundred twelve million, forty thousand, three hundred fifty".