612055332 has 96 divisors (see below), whose sum is σ = 1862595840. Its totient is φ = 170138880.

The previous prime is 612055331. The next prime is 612055343. The reversal of 612055332 is 233550216.

612055332 is a `hidden beast` number, since 6 + 120 + 5 + 533 + 2 = 666.

It is a super-2 number, since 2×612055332² = 749223458859260448, which contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 612055296 and 612055305.

It is not an unprimeable number, because it can be changed into a prime (612055331) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17032 + ... + 38912.

It is an arithmetic number, because the mean of its divisors is an integer number (19402040).

Almost surely, 2^612055332 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 612055332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (931297920).

612055332 is an abundant number, since it is smaller than the sum of its proper divisors (1250540508).

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

612055332 is a wasteful number, since it uses less digits than its factorization.

612055332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21938 (or 21930 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The square root of 612055332 is about 24739.7520601966. The cubic root of 612055332 is about 849.0440611927.

The spelling of 612055332 in words is "six hundred twelve million, fifty-five thousand, three hundred thirty-two".