612148320 has 384 divisors, whose sum is σ = 2531450880. Its totient is φ = 135198720.

The previous prime is 612148307. The next prime is 612148331. The reversal of 612148320 is 23841216.

612148320 is a `hidden beast` number, since 612 + 1 + 48 + 3 + 2 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 937114 + ... + 937766.

It is an arithmetic number, because the mean of its divisors is an integer number (6592320).

Almost surely, 2^612148320 is an apocalyptic number.

612148320 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 612148320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1265725440).

612148320 is an abundant number, since it is smaller than the sum of its proper divisors (1919302560).

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

612148320 is a wasteful number, since it uses less digits than its factorization.

612148320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 715 (or 701 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 612148320 is about 24741.6313124256. The cubic root of 612148320 is about 849.0870567123.

Adding to 612148320 its reverse (23841216), we get a palindrome (635989536).

The spelling of 612148320 in words is "six hundred twelve million, one hundred forty-eight thousand, three hundred twenty".