612489475260 has 288 divisors, whose sum is σ = 2077085529792. Its totient is φ = 150608056320.

The previous prime is 612489475223. The next prime is 612489475337. The reversal of 612489475260 is 62574984216.

612489475260 is a `hidden beast` number, since 6 + 1 + 24 + 8 + 94 + 7 + 526 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 612489475197 and 612489475206.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 67029412 + ... + 67038548.

It is an arithmetic number, because the mean of its divisors is an integer number (7212102534).

Almost surely, 2^612489475260 is an apocalyptic number.

612489475260 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 612489475260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1038542764896).

612489475260 is an abundant number, since it is smaller than the sum of its proper divisors (1464596054532).

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

612489475260 is a wasteful number, since it uses less digits than its factorization.

612489475260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10235 (or 10221 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 54.

The spelling of 612489475260 in words is "six hundred twelve billion, four hundred eighty-nine million, four hundred seventy-five thousand, two hundred sixty".