503895540736 has 99 divisors (see below), whose sum is σ = 1172125847349. Its totient is φ = 215887085568.

The previous prime is 503895540719. The next prime is 503895540739. The reversal of 503895540736 is 637045598305.

The square root of 503895540736 is 709856.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 416468878336 + 87426662400 = 645344^2 + 295680^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (503895540739) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 159006160 + ... + 159009328.

Almost surely, 2^503895540736 is an apocalyptic number.

503895540736 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

503895540736 is the 709856-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 503895540736

503895540736 is an abundant number, since it is smaller than the sum of its proper divisors (668230306613).

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

503895540736 is an frugal number, since it uses more digits than its factorization.

503895540736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6372 (or 3178 counting only the distinct ones).

The product of its (nonzero) digits is 13608000, while the sum is 55.

The spelling of 503895540736 in words is "five hundred three billion, eight hundred ninety-five million, five hundred forty thousand, seven hundred thirty-six".