612764530560 has 1536 divisors, whose sum is σ = 2753911480320. Its totient is φ = 122067025920.

The previous prime is 612764530531. The next prime is 612764530583. The reversal of 612764530560 is 65035467216.

612764530560 is a `hidden beast` number, since 6 + 1 + 2 + 7 + 64 + 530 + 56 + 0 = 666.

612764530560 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 698704842 + ... + 698705718.

It is an arithmetic number, because the mean of its divisors is an integer number (1792911120).

Almost surely, 2^612764530560 is an apocalyptic number.

612764530560 is a gapful number since it is divisible by the number (60) 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 612764530560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1376955740160).

612764530560 is an abundant number, since it is smaller than the sum of its proper divisors (2141146949760).

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

612764530560 is a wasteful number, since it uses less digits than its factorization.

612764530560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 996 (or 981 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 45.

Adding to 612764530560 its reverse (65035467216), we get a palindrome (677799997776).

The spelling of 612764530560 in words is "six hundred twelve billion, seven hundred sixty-four million, five hundred thirty thousand, five hundred sixty".