611330472 has 192 divisors, whose sum is σ = 1871251200. Its totient is φ = 179159040.

The previous prime is 611330437. The next prime is 611330497. The reversal of 611330472 is 274033116.

611330472 is a `hidden beast` number, since 61 + 133 + 0 + 472 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2255697 + ... + 2255967.

It is an arithmetic number, because the mean of its divisors is an integer number (9746100).

Almost surely, 2^611330472 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 611330472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (935625600).

611330472 is an abundant number, since it is smaller than the sum of its proper divisors (1259920728).

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

611330472 is a wasteful number, since it uses less digits than its factorization.

611330472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 416 (or 409 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 611330472 is about 24725.0980180059. The cubic root of 611330472 is about 848.7087531677.

Adding to 611330472 its reverse (274033116), we get a palindrome (885363588).

It can be divided in two parts, 6113 and 30472, that added together give a triangular number (36585 = T₂₇₀).

The spelling of 611330472 in words is "six hundred eleven million, three hundred thirty thousand, four hundred seventy-two".