505500302776 has 64 divisors (see below), whose sum is σ = 1149054655680. Its totient is φ = 203522181120.

The previous prime is 505500302773. The next prime is 505500302779. The reversal of 505500302776 is 677203005505.

It is an interprime number because it is at equal distance from previous prime (505500302773) and next prime (505500302779).

It is a super-2 number, since 2×505500302776² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505500302771) 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, 24286 + ... + 1005778.

It is an arithmetic number, because the mean of its divisors is an integer number (17953978995).

Almost surely, 2^505500302776 is an apocalyptic number.

505500302776 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 505500302776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (574527327840).

505500302776 is an abundant number, since it is smaller than the sum of its proper divisors (643554352904).

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

505500302776 is a wasteful number, since it uses less digits than its factorization.

505500302776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 982064 (or 982060 counting only the distinct ones).

The product of its (nonzero) digits is 220500, while the sum is 40.

The spelling of 505500302776 in words is "five hundred five billion, five hundred million, three hundred two thousand, seven hundred seventy-six".