612466380 has 96 divisors (see below), whose sum is σ = 1966970880. Its totient is φ = 158051520.

The previous prime is 612466369. The next prime is 612466403. The reversal of 612466380 is 83664216.

612466380 is a `hidden beast` number, since 6 + 12 + 4 + 6 + 638 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1554 + ... + 35033.

It is an arithmetic number, because the mean of its divisors is an integer number (20489280).

Almost surely, 2^612466380 is an apocalyptic number.

612466380 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 612466380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (983485440).

612466380 is an abundant number, since it is smaller than the sum of its proper divisors (1354504500).

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

612466380 is a wasteful number, since it uses less digits than its factorization.

612466380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36636 (or 36628 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 612466380 is about 24748.0581056373. The cubic root of 612466380 is about 849.2340874570.

The spelling of 612466380 in words is "six hundred twelve million, four hundred sixty-six thousand, three hundred eighty".